You are planning to evaluate the mean of a single continuous variable from a study with a sample of n = 45 using the t statistic. What are the degrees of freedom for the sample? O 43 O 44 45 O 46 With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n = 16 that has an SS of 120. What is the variance for the sample? O2.83 0 8 O 10.95 O 14,400 For a sample of n = 64 that has a sample variance of 1,600, what is the estimated standard error for the sample? O 25 O 5 O 20 O5.04
You are planning to evaluate the mean of a single continuous variable from a study with a sample of n = 45 using the t statistic. What are the degrees of freedom for the sample? O 43 O 44 45 O 46 With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n = 16 that has an SS of 120. What is the variance for the sample? O2.83 0 8 O 10.95 O 14,400 For a sample of n = 64 that has a sample variance of 1,600, what is the estimated standard error for the sample? O 25 O 5 O 20 O5.04
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Transcribed Image Text:3. Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations using the t statistic
You are planning to evaluate the mean of a single continuous variable from a study with a sample of n = 45 using the t statistic. What are the
degrees of freedom for the sample?
O 43
O 44
O 45
46
With another study, where you also plan on evaluating a mean using the t statistic, you have a sample of n = 16 that has an SS of 120. What is
the variance for the sample?
O 2.83
O 8
10.95
O 14,400
For a sample of n = 64 that has a sample variance of 1,600, what is the estimated standard error for the sample?
O 25
O 5
O 20
O 5.04
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