For the following data list, what fraction of the observations are within one standard deviation of the sample mean? 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9

Calculate  the range, variance , and stanard deviation for the following a.4,2,1,0,1  b.1,6,2,2,3,0,3 c.8,-2,1,3,5,4,4,1,3 d.0,2,0,0,-1,1,-2,1,0,-1,0,-3,-2,-1,0,1

calculate the standard deviation for the following sample data 2,4,5,5,7,8,9,10,11,12

A sample consists of the following N scores 1,9,8,5,7 calculate the standard deviation

A. What is the standard deviation of this population? (2, 3, 6, 8, 11) B. What is the standard deviation of this sample? (3, 4, 5, 7, 8, 8, 9, 12)

The following lists of data represent five separate companies' top product market shares. Which has the largest standard deviation? . Select the correct answer below:   18, 17, 15, 17, 18, 19, 18, 17, 19, 17 27, 25, 25, 24, 31, 23, 29, 22, 32, 26 16, 12, 16, 15, 14, 13, 14, 15, 12, 14 17, 19, 17, 17, 16, 15, 16, 18, 19, 17 13, 17, 15, 13, 13, 13, 15, 15, 13, 13

Given the following grades on s test: 86, 92, 100, 93, 89, 95, 79, 98, 68, 62, 71, 75, 88, 86, 93, 81, 100, 86, 96, 52; What is the percentage of scores lying within one standard deviation from the mean? Two standard deviations from the mean? Are these results consistent with what

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