Calculate the range, variance, and standard deviation of the following datasets and state which set is more uniform and consistent. a. Dataset A ={20,10,80,50}={20,10,80,50} Range: Variance: Standard Deviation: Round to two decimal places if applicable b. Dataset B ={39,47,58,28}={39,47,58,28} Range: Variance: Standard Deviation: Round to two decimal places if applicable c. Which dataset is more uniform and consistent?

Calculate the range, variance and standard deviation for the following sample data. Scores: 10, 7, 9, 1, 2, 0, 6​

Each of the following data sets has a mean of 40. 1. {38, 43, 47, 27, and 45} II. {41, 40, 39, 42, and 38} III. {59, 41, 53, 17, and 30} Estimate their standard deviations and list them from smallest to largest according to standard deviation size. O III, I, II O I, III, II O II, I, III O I, II, III

Find the variance of the following: 12.0, 9.5, 10.5, 18.4, 33.1, 41.7, 50.6, 29.9, 23.0.

Calculate the SEM (standard error of the mean) for the following data:a. Population standard deviation = 15b. Sample size = 25

The number of ornaments placed on trees is recorded. The results are as follows: 26 26 22 29 24 30 26 34 21 24 20 31 20 35 32 33 26 26 29 29 Find the Mean, Median, Mode, Midrange, Variance and Standard Deviation of the data.Round to 2 decimal places if necessary. Mean: Median: Mode: Midrange: Variance: Standard Deviation:

A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.

A company conducted a survey to determine the average age of its employees. The ages of 10 randomly selected employees are as follows: 25, 28, 30, 35, 40, 42, 45, 48, 50, and 55. Calculate the sample mean, sample variance, and standard deviation of the ages.

Consider a sample with data values of 26,24,21,19,31,35,28 and 24 . Compute the range, interquartile range, variance, and standard deviation. Round to 2 decimals, if necessary. Range Interquartile range Variance Standard deviation

Calculate the below for the following data set: {5, 7, 9, 1, 2, 3, 4, 6}, Round to the nearest hundredth. Mean Sum of Squares Variance Standard Deviation