If Professor Juarez had 30 students in her class, and she wanted to test her hypothesis using the 5% level of significance, what cutoff t score would she use? (You should be able to figure this out without a table because only one answer is in the correct region.)
A)304.11
B)1.699
C)-.113
D)-2.500

Question

Quizplus · Accepted Answer

To find the cutoff t-score at a 5% level of significance with 29 degrees of freedom (30 students -1), we can use a t-table or a calculator. Using a calculator or an online t-distribution calculator, we find that the cutoff t-score is 1.699. Therefore, the best choice is B.

If Professor Juarez Had 30 Students in Her Class, and She