Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
In a hypothesis test with hypotheses and ,a random sample of 16 elements selected from the population produced a mean of 91.9 and a standard deviation of 4.9.The test is to be made at the 2% significance level.Assume the population is normally distributed.
-What are the critical values of t?

A) -2.33 and 2.33
B) -2.602 and 2.602
C) -2.131 and 2.131
D) -2.583 and 2.583