(Answered) A random sample of 49 statistics examinations was taken the

Statistics

A random sample of 49 statistics examinations was 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

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