calculate the degrees of freedom and the critical value, or cutoffs, assuming a

Question

calculate the degrees of freedom and the critical value, or cutoffs, assuming a two-tailed test with a p level of 0.05 for each of the the following designs.

a. forty students were recruited for a study about the relation between knowledge regarding academic integrity and values held by students, witht he idea that students with less knowledge would care less about the issue than students with more knowledge.

b. twenty seven couples are surveyed regarding their years together and their relationship satisfaction.

Explanation / Answer

a) degree of freedom =n-1=40-1 =39

hene critical value of t distribution =-/+2.0227

b)degree of freedom =n-1=26

and critical value of t distribution =-/+ 2.0555

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