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Factorial Experiments Questions & Answers

Q:

Anickel-titanium alloy is used to make components for jet turbine aircraft engines. Cracking is a potentially serious problem in the final part because it can lead to nonrecoverable failure. A test is run at the parts producer to determine the...

Posted 10 months ago
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Q:

1: A factorial experiment is conducted with 2 factors, each at 3 levels. How many treatment combinations are there in total? 2: If a factorial experiment has 4 factors, where Factor A has 2 levels, Factor B has 3 levels, Factor C has 2 levels, and...

Posted one year ago
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Q:

Out of six consonants and four vowels, how many words of three consonants and two vowels can be formed?

Posted one month ago
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Q:

1. Given a two-factor factorial experiment and the ANOVA summary table that follows, fill in all the missing results:

Posted one year ago
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Q:

1. An engineer suspects that the surface finish of metal parts is influenced by the type of paint used and the drying time. He selected three drying times 20, 25, and 30 minutes and used two types of paint. Three parts are tested with each...

Posted 3 months ago
View Answer ►
Q:

B1 B2 A1 10 20 A2 20 20 Look at the table above and determine whether there is an interaction effect. Explain the effect depicted in this table in terms of your example. It does not matter if the result would not occur in this way in real life for...

Posted 2 years ago
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Q:

A roadside museum has 25 exhibits but enough space to display only 10 at a time. If the order of arrangement is considered, how many possibilities exist for the eventual display?

Posted 22 days ago
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Q:

Computer question 5 threeway anova 15 points Variables Affecting Driving Performance For example, consider a hypothetical experiment concerning the driving ability of two different types of drivers – inexperienced (A1) and experienced (A2). These...

Posted 2 years ago
View Answer ►
Q:

An experiment was conducted to study the effects of irrigation, crop variety, and aerially sprayed pesticide on grain yield. There were two replicates. Within each replicate, three fields were chosen and randomly assigned to be sprayed with one of...

Posted 2 months ago
View Answer ►
Q:

An experiment was conducted on a chemical process that produces a polymer. The four factors studied were temperature A, catalyst concentration B, time C, and pressure D. Two responses, molecular weight and viscosity, were observed. The design matrix...

Posted one month ago
View Answer ►
Q:

A milk company has four machines that fill gallon jugs with milk. The quality control manager is interested in determining whether the average fill for these machines is the same. The following data represent random samples of fill measures (in...

Posted 11 days ago
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Q:

Three samples of each of three types of PVC pipe of equal wall thickness are tested to failure under three temperature conditions, yielding the results shown below. Research questions: Is mean burst strength affected by temperature and/or by pipe...

Posted 3 years ago
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Q:

The yield of a chemical process is being studied. The two most important variables are thought to be the pressure and the temperature. Three levels of each factor are selected, and a factorial experiment with two replicates is performed. The yield...

Posted one month ago
View Answer ►
Q:

The following salinity observations were recorded in 25 wells in a coastal aquifer, in milligrams per liter. The wells are spaced at distances of approximately 1 km in the NS and EW directions. 10.5 9.3 10.4 9.1 10.0 9.2 10.1 11.1 10.2 10.3 11.2 10.8...

Posted one year ago
View Answer ►
Q:

A developmental psychologist examined how children’s level of separation anxiety may change from age 1 to 4. She recruited a sample of parents and asked them to report on their children’s level of separation anxiety when their children were 1 year...

Posted 2 months ago
View Answer ►
Q:

An article in Bioresource Technology ["Medium Optimization for Phenazine-1-carboxylic Acid Production by a gacA qscR Double Mutant of Pseudomonas sp. M18 Using Response Surface Methodology" (Vol. 101(11), 2010, pp. 4089-4095)] described an experiment...

Posted 2 years ago
View Answer ►
Q:

An article in Biore source Technology ["Medium Optimization for Phenazine-1-carboxylic Acid Production by a gacA qscR Double Mutant of Pseudomonas sp. M18 Using Response Surface Methodology" (Vol. 101(11), 2010, pp. 4089-4095)] described an...

Posted 2 years ago
View Answer ►
Q:

1. State whether the following situations describe a between-subjects design or a within subjects design. (a) A sports psychologist compares mental functioning in a sample of athletes in four different sports. Answer (b) A bio psychologist tests the...

Posted one year ago
View Answer ►
Q:

Suppose you wanted to estimate the average household income of all Grand Canyon University (GCU) students. To expedite the process, you only gather household income data from all your friends who major in business at GCU. You then calculate the...

Posted 4 years ago
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Q:

1. A manufacturing company designed a factorial experiment to determine whether the number of defective parts produced by two machines differed and if the number of defective parts produced also depended on whether the raw material needed by each...

Posted 4 years ago
View Answer ►
Q:

Rework Exercise 16 16 using the signed rank test based on Table Rework Exercise 16.16 using the signed-rank test based on Table X. In exercise The following are the amounts of time, in minutes, that it took a random sample of 20 technicians to...

Posted one month ago
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Q:

Reconsider the crack experiment from Exercise 13 19 Suppose that the Reconsider the crack experiment from Exercise 13.19. Suppose that the two crack-length measurements were made on two cracks that formed in the same test coupon at each set of test...

Posted 2 years ago
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Q:

Listed below are the measured radiation absorption rates in W Listed below are the measured radiation absorption rates (in W/ kg) corresponding to these cell phones: iPhone 5S, BlackBerry Z30, Sanyo Vero, Optimus V, Droid Razr, Nokia N97, Samsung...

Posted one month ago
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Q:

a Using the defining contrasts ABCE and ABDF obtain a (a) Using the defining contrasts ABCE and ABDF obtain a 1/4 fraction of a 2° elesign. (b) Show the analysis-of-variance! Table (sources of variation and degrees of freedom) for all...

Posted one year ago
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Q:

A research specialist for a large seafood company investigated bacterial A research specialist for a large seafood company investigated bacterial growth on oysters and mussels subjected to three different storage temperatures. Nine cold storage units...

Posted one month ago
View Answer ►
Q:

Question 1 [10 marks]: Identify each of the variables in the above table either as nominal, ordinal, discrete or continuous. Hint: Present your answer in a table by listing the variables in the first column, classification of the variables in the...

Posted one month ago
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Q:

An experiment was conducted to determine whether firing temperature and/or furnace position affect the baked density of a carbon anode. The file Anode_Density.xlsx contains density measurements of sixty carbon anodes subjected to various...

Posted one year ago
View Answer ►
Q:

2. An economist is interested to see how consumption for an economy (in $ billions) is influenced by gross domestic product ($ billions) and aggregate price (consumer price index). The Microsoft Excel output of this regression is partially reproduced...

Posted one month ago
View Answer ►
Q:

The question requires that you identify two research questions from a database of your choice in order to run any two of the following four different statistical tests: · T-test (one-sample, paired sample, or independent samples) · ANOVA ·...

Posted 5 years ago
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Q:

You are a manufacturer of clothes.final products are ready to sell.apply acceptance sampling before selling in the market.

Posted one year ago
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Q:

On eCourses is a SPSS dataset called "dataset 5." This is a made-up dataset examining the influence of a drug on evaluations of male and female faces. The procedure went as follows: all participants evaluated a set of faces on how attractive they...

Posted 5 years ago
View Answer ►
Q:

1. (50 points) Cholesterol was measured in the serum samples of five randomly selected patients from a pool of patients. Two independently prepared repli- cate tubes were prepared for each patient for each of spectrophotometer from four brands. The...

Posted 2 years ago
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Q:

A manufacturer of laundry products is investigating the performance of a newly formulated stain remover.

Posted 2 years ago
View Answer ►
Q:

It is important to study the effect of the concentration of the reactant and the feed rate on the viscosity of the product from a chemical process. Let the reactant concentration be factor A, at levels 15% and 25%. Let the feed rate be factor B ,...

Posted one month ago
View Answer ►
Q:

The chemical element antimony is sometimes added to tin-lead solder to replace the more expensive tin and reduce the cost of soldering. A factorial experiment was conducted to determine how antimony affects the strength of the tin-lead solder joints....

Posted 2 years ago
View Answer ►
Q:

77. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and asked them...

Posted one month ago
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Q:

Four different machines M1, M2, M3, and M4, are to be considered in the assembling of a particular product. It is decided that six different operators are to be used in a randomized block experiment to compare the machines. The machines are assigned...

Posted one month ago
View Answer ►
Q:

Four different machines M1, M2, M3, and M4, are to be considered in the assembling of a particular product. It is decided that six different operators are to be used in a randomized block experiment to compare the machines. The machines are assigned...

Posted one month ago
View Answer ►
Q:

A process engineer is trying to improve the life of a cutting tool. He has run a 23 experiment using cutting speed (A), metal hardness (B), and cutting angle (C) as the factors. The data from two replicates are shown in Table 13E.2. (a) Do any of the...

Posted one month ago
View Answer ►
Q:

1. Six different machines are being considered for use in manufacturing rubber seals. The machines are being compared with respect to tensile strength of the product. A random sample of 4 seals from each machine is used to determine whether or not...

Posted one month ago
View Answer ►
Q:

A cancer specialist from the Los Angeles County General Hospital (LACGH) rated patient optimism in 20- to 40-year-old male patients with incurable cancer in 1970. In 1990, the researcher examined hospital records to gather the following data:...

Posted one month ago
View Answer ►
Q:

PSY 870: Module 4 Problem Set 2 ×ばつ 3 Between-Subjects Factorial ANOVA: Study Environments by Gender This study investigates whether study environment affects academic performance. In addition, this study investigates whether sex of student...

Posted 9 years ago
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Q:

Four factors are thought to possibly influence the taste of a soft-drink beverage: type of sweetener (A), ratio of syrup to water (B), carbonation level (C), and temperature (D). Each factor can be run at two levels, producing a 2 4 design. At each...

Posted 2 years ago
View Answer ►
Q:

An investigation was conducted to determine the source of reduction in yield of a certain chemical product. It was known that the loss in yield occurred in the mother liquor, that is, the material removed at the filtration stage. It was thought that...

Posted 3 years ago
View Answer ►
Q:

Case Study 1: Compensation for Sales Professionals Suppose that a local chapter of sales professionals in the greater San Francisco area conducted a survey of its membership to study the relationship, if any, between the years of experience and...

Posted 2 months ago
View Answer ►
Q:

A repeated measures ANOVA using the following four variables: tutor 1, tutor 2, tutor 3, and tutor 4 was conducted to determine whether there was a statistically significant difference between or inThe assumptions of the repeated measures ANOVA are:...

Posted 4 years ago
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Q:

There are nine men and ten women in a club; in how many ways can a committee of four be formed to include at least 1 man?

Posted 2 years ago
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Q:

Let's suppose we are predicting score on a training posttest from number of yearsof education and the score on an aptitude test given before training. Here is the regressionequation Y = 25 + .5X1 +10X2,where X1 = years of education and X2 =...

Posted 2 months ago
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Q:

An independent-measures study has one sample with n = 10 and a second sample with n = 15 to compare two experimental treatments. What is the df value for the t statistic for this study?

Posted 7 months ago
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Q:

Paste the SPSS ANOVA output here. This output should include the tables labeled Descriptives and ANOVA and the Means Plot.

Posted 4 years ago
View Answer ►
Q:

An article in Tappi describes an experiment that investigated the ash value of paper pulp (a measure of inorganic impurities). Two variables, temperature T in degrees Celsius and time t in hours, were studied, and some of the results are shown in the...

Posted 4 years ago
View Answer ►

Q:

Three genetic types of fruit flies were compared in terms of the average number of eggs a female lays per day over the first 14 days of life.!> The resistant type was bred for resistance to DDT, the susceptible type was bred for Susceptibility to...

Posted one year ago

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Factorial Experiments Questions & Answers

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Factorial Experiments Questions & Answers

Anickel-titanium alloy is used to make components for jet turbine aircraft engines. Cracking is a potentially serious problem in the final part because it can lead to nonrecoverable failure. A test is run at the parts producer to determine the...

1: A factorial experiment is conducted with 2 factors, each at 3 levels. How many treatment combinations are there in total? 2: If a factorial experiment has 4 factors, where Factor A has 2 levels, Factor B has 3 levels, Factor C has 2 levels, and...

Out of six consonants and four vowels, how many words of three consonants and two vowels can be formed?

1. Given a two-factor factorial experiment and the ANOVA summary table that follows, fill in all the missing results:

1. An engineer suspects that the surface finish of metal parts is influenced by the type of paint used and the drying time. He selected three drying times 20, 25, and 30 minutes and used two types of paint. Three parts are tested with each...

B1 B2 A1 10 20 A2 20 20 Look at the table above and determine whether there is an interaction effect. Explain the effect depicted in this table in terms of your example. It does not matter if the result would not occur in this way in real life for...

A roadside museum has 25 exhibits but enough space to display only 10 at a time. If the order of arrangement is considered, how many possibilities exist for the eventual display?

Computer question 5 threeway anova 15 points Variables Affecting Driving Performance For example, consider a hypothetical experiment concerning the driving ability of two different types of drivers – inexperienced (A1) and experienced (A2). These...

An experiment was conducted to study the effects of irrigation, crop variety, and aerially sprayed pesticide on grain yield. There were two replicates. Within each replicate, three fields were chosen and randomly assigned to be sprayed with one of...

An experiment was conducted on a chemical process that produces a polymer. The four factors studied were temperature A, catalyst concentration B, time C, and pressure D. Two responses, molecular weight and viscosity, were observed. The design matrix...

A milk company has four machines that fill gallon jugs with milk. The quality control manager is interested in determining whether the average fill for these machines is the same. The following data represent random samples of fill measures (in...

Three samples of each of three types of PVC pipe of equal wall thickness are tested to failure under three temperature conditions, yielding the results shown below. Research questions: Is mean burst strength affected by temperature and/or by pipe...

The yield of a chemical process is being studied. The two most important variables are thought to be the pressure and the temperature. Three levels of each factor are selected, and a factorial experiment with two replicates is performed. The yield...

The following salinity observations were recorded in 25 wells in a coastal aquifer, in milligrams per liter. The wells are spaced at distances of approximately 1 km in the NS and EW directions. 10.5 9.3 10.4 9.1 10.0 9.2 10.1 11.1 10.2 10.3 11.2 10.8...

A developmental psychologist examined how children’s level of separation anxiety may change from age 1 to 4. She recruited a sample of parents and asked them to report on their children’s level of separation anxiety when their children were 1 year...

An article in Bioresource Technology ["Medium Optimization for Phenazine-1-carboxylic Acid Production by a gacA qscR Double Mutant of Pseudomonas sp. M18 Using Response Surface Methodology" (Vol. 101(11), 2010, pp. 4089-4095)] described an experiment...

An article in Biore source Technology ["Medium Optimization for Phenazine-1-carboxylic Acid Production by a gacA qscR Double Mutant of Pseudomonas sp. M18 Using Response Surface Methodology" (Vol. 101(11), 2010, pp. 4089-4095)] described an...

1. State whether the following situations describe a between-subjects design or a within subjects design. (a) A sports psychologist compares mental functioning in a sample of athletes in four different sports. Answer (b) A bio psychologist tests the...

Suppose you wanted to estimate the average household income of all Grand Canyon University (GCU) students. To expedite the process, you only gather household income data from all your friends who major in business at GCU. You then calculate the...

1. A manufacturing company designed a factorial experiment to determine whether the number of defective parts produced by two machines differed and if the number of defective parts produced also depended on whether the raw material needed by each...

Rework Exercise 16 16 using the signed rank test based on Table Rework Exercise 16.16 using the signed-rank test based on Table X. In exercise The following are the amounts of time, in minutes, that it took a random sample of 20 technicians to...

Reconsider the crack experiment from Exercise 13 19 Suppose that the Reconsider the crack experiment from Exercise 13.19. Suppose that the two crack-length measurements were made on two cracks that formed in the same test coupon at each set of test...

Listed below are the measured radiation absorption rates in W Listed below are the measured radiation absorption rates (in W/ kg) corresponding to these cell phones: iPhone 5S, BlackBerry Z30, Sanyo Vero, Optimus V, Droid Razr, Nokia N97, Samsung...

a Using the defining contrasts ABCE and ABDF obtain a (a) Using the defining contrasts ABCE and ABDF obtain a 1/4 fraction of a 2° elesign. (b) Show the analysis-of-variance! Table (sources of variation and degrees of freedom) for all...

A research specialist for a large seafood company investigated bacterial A research specialist for a large seafood company investigated bacterial growth on oysters and mussels subjected to three different storage temperatures. Nine cold storage units...

Question 1 [10 marks]: Identify each of the variables in the above table either as nominal, ordinal, discrete or continuous. Hint: Present your answer in a table by listing the variables in the first column, classification of the variables in the...

An experiment was conducted to determine whether firing temperature and/or furnace position affect the baked density of a carbon anode. The file Anode_Density.xlsx contains density measurements of sixty carbon anodes subjected to various...

2. An economist is interested to see how consumption for an economy (in $ billions) is influenced by gross domestic product ($ billions) and aggregate price (consumer price index). The Microsoft Excel output of this regression is partially reproduced...

The question requires that you identify two research questions from a database of your choice in order to run any two of the following four different statistical tests: · T-test (one-sample, paired sample, or independent samples) · ANOVA ·...

You are a manufacturer of clothes.final products are ready to sell.apply acceptance sampling before selling in the market.

On eCourses is a SPSS dataset called "dataset 5." This is a made-up dataset examining the influence of a drug on evaluations of male and female faces. The procedure went as follows: all participants evaluated a set of faces on how attractive they...

1. (50 points) Cholesterol was measured in the serum samples of five randomly selected patients from a pool of patients. Two independently prepared repli- cate tubes were prepared for each patient for each of spectrophotometer from four brands. The...

A manufacturer of laundry products is investigating the performance of a newly formulated stain remover.

It is important to study the effect of the concentration of the reactant and the feed rate on the viscosity of the product from a chemical process. Let the reactant concentration be factor A, at levels 15% and 25%. Let the feed rate be factor B ,...

The chemical element antimony is sometimes added to tin-lead solder to replace the more expensive tin and reduce the cost of soldering. A factorial experiment was conducted to determine how antimony affects the strength of the tin-lead solder joints....

77. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and asked them...

Four different machines M1, M2, M3, and M4, are to be considered in the assembling of a particular product. It is decided that six different operators are to be used in a randomized block experiment to compare the machines. The machines are assigned...

Four different machines M1, M2, M3, and M4, are to be considered in the assembling of a particular product. It is decided that six different operators are to be used in a randomized block experiment to compare the machines. The machines are assigned...

A process engineer is trying to improve the life of a cutting tool. He has run a 23 experiment using cutting speed (A), metal hardness (B), and cutting angle (C) as the factors. The data from two replicates are shown in Table 13E.2. (a) Do any of the...

1. Six different machines are being considered for use in manufacturing rubber seals. The machines are being compared with respect to tensile strength of the product. A random sample of 4 seals from each machine is used to determine whether or not...

A cancer specialist from the Los Angeles County General Hospital (LACGH) rated patient optimism in 20- to 40-year-old male patients with incurable cancer in 1970. In 1990, the researcher examined hospital records to gather the following data:...

PSY 870: Module 4 Problem Set 2 ×ばつ 3 Between-Subjects Factorial ANOVA: Study Environments by Gender This study investigates whether study environment affects academic performance. In addition, this study investigates whether sex of student...

Four factors are thought to possibly influence the taste of a soft-drink beverage: type of sweetener (A), ratio of syrup to water (B), carbonation level (C), and temperature (D). Each factor can be run at two levels, producing a 2 4 design. At each...

An investigation was conducted to determine the source of reduction in yield of a certain chemical product. It was known that the loss in yield occurred in the mother liquor, that is, the material removed at the filtration stage. It was thought that...

Case Study 1: Compensation for Sales Professionals Suppose that a local chapter of sales professionals in the greater San Francisco area conducted a survey of its membership to study the relationship, if any, between the years of experience and...

A repeated measures ANOVA using the following four variables: tutor 1, tutor 2, tutor 3, and tutor 4 was conducted to determine whether there was a statistically significant difference between or inThe assumptions of the repeated measures ANOVA are:...

There are nine men and ten women in a club; in how many ways can a committee of four be formed to include at least 1 man?

Let's suppose we are predicting score on a training posttest from number of yearsof education and the score on an aptitude test given before training. Here is the regressionequation Y = 25 + .5X1 +10X2,where X1 = years of education and X2 =...

An independent-measures study has one sample with n = 10 and a second sample with n = 15 to compare two experimental treatments. What is the df value for the t statistic for this study?

Paste the SPSS ANOVA output here. This output should include the tables labeled Descriptives and ANOVA and the Means Plot.

An article in Tappi describes an experiment that investigated the ash value of paper pulp (a measure of inorganic impurities). Two variables, temperature T in degrees Celsius and time t in hours, were studied, and some of the results are shown in the...

Three genetic types of fruit flies were compared in terms of the average number of eggs a female lays per day over the first 14 days of life.!> The resistant type was bred for resistance to DDT, the susceptible type was bred for Susceptibility to...

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Top Factorial Experiments Experts

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Factorial Experiments
Questions & Answers