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2 5 6 8 9 10 11 12 140 150 16 170 18 19 200 QUESTION 16 It was found that the mean annual turnover

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2 5 6 8 9 10 11 12 140 150 16 170 18 19 200 QUESTION 16 It was found that the mean annual turnover rate of the Aspirin medicine bottle is 12 The management think that the mean is changed, Therefore, a random sample of 66 is chosen that shows the average is 10 and the standard deviation is 3. Use 0.01 significance level to test this claim. Based on the above, the test statistic is equal to? (Round answer to two decimal places ex. 2.09) QUESTION 17

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