Question: Question 3: [14 marks] Part a)(6 marks) Calculate the value of the test statistic, set up the rejection region, undertaking hypothesis test and interpret the

Question 3: [14 marks] Part a)(6 marks) Calculate the value of the test statistic, set up the rejection region, undertaking hypothesis test and interpret the result.

0: = 19

1: 19Given that = 5, = 25, = 19.5, = 0.05.

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