In a test of hypotheses H0: µ = 212 versus H1: µ > 212, the rejection region is the interval [1.895, [infinity]), the value of the sample mean computed from a sample of size 10 is 225, and the value of the test statistic is t = 2.44. The correct decision and justification are:
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15x15.gif
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10x10.gif A 10x10.gif Do not reject because 2.44 is greater than 1.895
B Reject because 225 is larger than 212
C Reject because 2.44 falls in the rejection region
D Do not reject because 2.44 falls in the acceptance region
E Do not reject because the sample size of 10 is too small