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QUESTION 5 Given a simple random sample of size n = 18 from a Normal population with mean and standard deviation, we test the

QUESTION 5 Given a simple random sample of size n = 18 from a Normal population with mean and standard deviation, we test the hypotheses HO: =2.5 Hl:@>2.5, at the 5% significance level. If is known, and the observed value of the test statistic is 1.77, determine the result of the test. The test does not reject Ho in favour of H1. More information is required to determine the result of the test. The test rejects Ho in favour of H1.

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