To perform a test of the null and alternative hypotheses shown below, random samples were selected from the two normally distributed populations with equal variances. The data are shown below. Test the null hypothesis using an alpha level equal to

0.01.

H0: 12=0 HA: 120	Sample from Population 1	Sample from Population 2
39	42	27	37	36	41	50	37	47	41
32	25	39	43	35	51	43	46	47	41

Determine the rejection region for the test statistic t. Select the correct choice below and fill in the answer box(es) to complete your choice.

(Round to four decimal places as needed.)

A.

t>enter your response here

B.

t

or

t>enter your response here

C.

t