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Suppose a one-sided test gives a test statistic $t = 2.45$ for a sample of size $n=24$.

What conclusion can be made at the $\alpha = 5\%$ level?

A

Reject $H_0$ at the $5\%$ level.

B

Fail to reject $H_0$ at the $5\%$ level.

C

Reject $H_a$ at the $5\%$ level.

D

Fail to reject $H_a$ at the $5\%$ level.

E

Retain the null at the $5\%$ level.

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