In a test of hypothesis Ho: u = 88 versus Ha: u > 88 in a normally distributed population, the rejection region is the interval [2.797, infinity), the value of the sample mean (x-bar) is 96. A random sample of size 25 was used to compute a value for the test statistic t=3.077. The correct decision and justification are: Do not reject Ho because the sample is too small O Do not reject Ho because 2.797 < 3.077 O Reject Ho because 96 is larger than 88 Reject Ho because 96 lies in the rejection region O Reject Ho because 3.077 > 2.797

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In a test of hypothesis Ho: u = 88 versus Ha: u > 88 in a normally distributed population, the
rejection region is the interval [2.797, infinity), the value of the sample mean (x-bar) is 96. A random
sample of size 25 was used to compute a value for the test statistic t=3.077. The correct decision
and justification are:
O Do not reject Ho because the sample
too small
O Do not reject Ho because 2.797 < 3.077
O Reject Ho because 96 is larger than 88
Reject Ho because 96 lies in the rejection region
O Reject Ho because 3.077 > 2.797
Transcribed Image Text:In a test of hypothesis Ho: u = 88 versus Ha: u > 88 in a normally distributed population, the rejection region is the interval [2.797, infinity), the value of the sample mean (x-bar) is 96. A random sample of size 25 was used to compute a value for the test statistic t=3.077. The correct decision and justification are: O Do not reject Ho because the sample too small O Do not reject Ho because 2.797 < 3.077 O Reject Ho because 96 is larger than 88 Reject Ho because 96 lies in the rejection region O Reject Ho because 3.077 > 2.797
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