For Questions , use the following narrative
Narrative: Male weight loss
Suppose a 95% confidence interval for the average amount of weight loss on a diet program for males is between 13.4 and 18.3 pounds.These results were based on a sample of 42 male participants who were deemed to be overweight at the start of the 4-month study.
-{Male weight loss narrative} What is the sample mean?
A)2.45
B)13.4
C)15.85
D)18.3

Question

Quizplus · Accepted Answer

The sample mean can be found by calculating the midpoint of the confidence interval. The midpoint is (13.4 + 18.3) / 2 = 15.85.

For Questions , Use the Following Narrative