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Question 5 The following questions are based on hypothesis testing. (a) Let, (8.49, 10.39, 9.76, 12.66, 10.35, 10.96, 8.25, 12.14, 7.52, 8.92) ii?! N(;L,02) with

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Question 5 The following questions are based on hypothesis testing. (a) Let, (8.49, 10.39, 9.76, 12.66, 10.35, 10.96, 8.25, 12.14, 7.52, 8.92) ii?! N(;L,02) with p E R is unknown and 0'2 = 9. At a = 0.01 or 1% signicance level test H0 : ,u = 9 against H1 : ,u, a 9. That is calculate the Zstatistic and the pvalue of the test and then comment on the null hypothesis

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