A statistics teacher started class one day by drawing the names of n = 16 students out of a hat and asked them to do as many pushups as they could. The 16 randomly selected students averaged 15.2 pushups per person with a standard deviation of 8.5 pushups. Suppose the distribution of the population of number of pushups that can be done is approximately normal. The 95% confidence interval for the true mean number of pushups that can be done is 8.56 to 21.44. 10.67 to 19.73. 11.31 to 18.55. 5.85 to 24.15. 13.15 to 16.83.

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A statistics teacher started class one day by drawing the names of n
out of a hat and asked them to do as many pushups as they could. The 16 randomly
selected students averaged 15.2 pushups per person with a standard deviation of 8.5
pushups. Suppose the distribution of the population of number of pushups that can
be done is approximately normal.
16 students
%3D
The 95% confidence interval for the true mean number of pushups that can be done
is
8.56 to 21.44.
10.67 to 19.73.
11.31 to 18.55.
5.85 to 24.15.
13.15 to 16.83.
Transcribed Image Text:A statistics teacher started class one day by drawing the names of n out of a hat and asked them to do as many pushups as they could. The 16 randomly selected students averaged 15.2 pushups per person with a standard deviation of 8.5 pushups. Suppose the distribution of the population of number of pushups that can be done is approximately normal. 16 students %3D The 95% confidence interval for the true mean number of pushups that can be done is 8.56 to 21.44. 10.67 to 19.73. 11.31 to 18.55. 5.85 to 24.15. 13.15 to 16.83.
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