Repeat the experiment calculating the following for each sample. The Excel function that produces this statistic is
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Repeat the experiment calculating the following for each sample.
The Excel function that produces this statistic is VARP. Calculate the mean of these statistics. Discuss why we define the sample variance by dividing the sum of squared deviations by n?1 rather than by n.
Developing an Understanding of Statistical Concepts Exercises 10.13 to 10.20 are ?what-if? analyses designed to determine what happens to the interval estimate when the confidence level, sample size, and standard deviation change. These problems can be solved manually or using the z-Estimate _ Mean spreadsheet in the Estimators workbook.?
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The sample variance can be calculated using the VARP function in Excel which takes the average of th...View the full answer
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