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QUESTION 6 Given a simple random sample of size n = 18 from a Normal population with mean and standard deviation , we test the hypotheses HO: = 1.5 against H1:p> 1.5 at the 5% significance level. If is unknown, and the observed value of the test statistic is 1.77, determine the result of the test. O(a) The test rejects HO in favour of H1. O (b) The test does not reject H0 in favour of H1. O (c) More information is required to determine the result of the test. QUESTION 7 Given a simple random sample of size n = 17 from a Normal population with mean and standard deviation , we test the hypotheses. HO:u=8 against Hl:>8 at the 5% significance level. If is unknown, and the sample mean and sample variance are x= 10.3, s²= 13.4, determine the result of the test. O(a) The test rejects H0 in favour of H1 O (b) The test does not reject H0 in favour of H1. O (c) More information is required to determine the result of the test. 1 points Save Answer 1 points Save Answer