You are planning to evaluate the mean of a single continuous variable from a study with a sample of n = 25 using the t statistic. What are the degrees of freedom for the sample? 23   26   24   25     With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n = 31 that has an SS of 120. What is the variance for the sample? 14,400   4   10.95   2.00     For a sample of n = 16 that has a sample variance of 400, what is the estimated standard error for the sample? 5   27   5.16   25

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Author:Amos Gilat
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You are planning to evaluate the mean of a single continuous variable from a study with a sample of n = 25 using the t statistic. What are the degrees of freedom for the sample?
23
 
26
 
24
 
25
 
 
With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n = 31 that has an SS of 120. What is the variance for the sample?
14,400
 
4
 
10.95
 
2.00
 
 
For a sample of n = 16 that has a sample variance of 400, what is the estimated standard error for the sample?
5
 
27
 
5.16
 
25
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