Question

In: Statistics and Probability

Assume a test of the null hypothesis that requires a t-test (rather than a z-test). Sample...

Assume a test of the null hypothesis that requires a t-test (rather than a z-test). Sample size is 25 and alpha is .05. Which of the following would be appropriate critical t values for a 2-tailed test and a one-tailed test, respectively, of the null hypothesis?

Question 21 options:

a)

+2.064, + 1.711


b)

+2.064, +1.711


c)

+2.064, +1.711


d)

+2.064, + or - 1.711

Solutions

Expert Solution

We have given,

Sample size =n=25

Degree of freedom =n-1=25-1=24

d)

+2.064, + or - 1.711


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