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Mathematics, 15.11.2019 05:31 smelcher3900

Arandom sample of 25 statistics examinations was selected. the average score in the sample was 76 with a variance of 144. assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is a. 70.02 to 81.98 b. 69.82 to 82.18 c. 69.29 to 82.71 d. 70.06 to 81.94

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