The following is data from a sample: (115, 128, 144, 142, 134, 110, 123, 118, 120,...
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The following is data from a sample: (115, 128, 144, 142, 134, 110, 123, 118, 120, 106} Find the sample variance and sample standard deviation. Step One: Find the sample size, 72, and then find the sample mean, z. T= Т Step Two: Fill in the table below and find the sample variance, s2. (Note: You do not need to show your work. Only enter the final calculation for each step. If you are using a calculator, be sure to put parenthesis around negative values to show that the entire value is squared. Example (-2)2 = 4, rather than -22= -4). (I-1)² Raw data, r 115 128 144 142 134 110 123 118 120 IT Sample Variance: E S² Check Sample Standard Deviation: n 1 SA B 134 (Round the the nearest hundredth.) 110 123 118 120 106 Σ(r = z)2 (This is a sample so be sure to divide by n - 1.) The following is data from a sample: (115, 128, 144, 142, 134, 110, 123, 118, 120, 106} Find the sample variance and sample standard deviation. Step One: Find the sample size, 72, and then find the sample mean, z. T= Т Step Two: Fill in the table below and find the sample variance, s2. (Note: You do not need to show your work. Only enter the final calculation for each step. If you are using a calculator, be sure to put parenthesis around negative values to show that the entire value is squared. Example (-2)2 = 4, rather than -22= -4). (I-1)² Raw data, r 115 128 144 142 134 110 123 118 120 IT Sample Variance: E S² Check Sample Standard Deviation: n 1 SA B 134 (Round the the nearest hundredth.) 110 123 118 120 106 Σ(r = z)2 (This is a sample so be sure to divide by n - 1.)
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Related Book For
Statistics The Exploration & Analysis of Data
ISBN: 978-1133164135
7th edition
Authors: Roxy Peck, Jay L. Devore
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