Find examination score of the population of examinations

Reference no: EM13114319

A random sample of 49 statistics examinations were taken. The average score in the sample was 84 with a variance of 12.25. The 95% confidence interval for the average examination score of the population of the examinations is a. 76.00 to 84.00 b. 77.40 to.86.60 c. 83.00 to 85.00 d. 68.00 to 100.00.

Reference no: EM13114319

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