Question

Suppose that, based on a sample, the 95% confidence interval for the mean of a population is (61,85). What was the mean of the sample?
A.73
B.81
C.69
D.77

Answer 1

Answer:

A. 73

Step-by-step explanation:

The mean is the average.  It is at the center of the interval.

(61 + 85) / 2 = 73

Answer 2

The answer is Option C which is 73.

The mean is the number you get by dividing the sum of a set of values by the number of values in the set.

How to find what was the mean of the sample?

The mean is the average.

 It is at the center of the interval.

(61 + 85) / 2 = 73.

Learn more about the mean of sample on: https://brainly.com/question/18060320

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