Read the t statistic from the t distribution table and choose the correct answer. For a one-tailed test (lower tail), using a sample size of 14, and at the 5% level of significance, t =
A) 1.771.
B) 1.761.
C) -1.771.
D) -1.762.

Question

Quizplus · Accepted Answer

The critical t-value for a one-tailed test with 13 degrees of freedom at the 5% level of significance (lower tail) is -1.771. The closest value in the table is -1.76, but because we are looking for a lower tail, we need to use the more negative value of -1.771. Therefore, the correct choice is C.

Read the T Statistic from the T Distribution Table and Choose