For a random sample of 64 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.2 pounds. (a) Find the best point estimate for the average number of excess pounds for all overweight men. (b) Construct a 95% confidence interval of the mean of these pounds.

MATLAB: An Introduction with Applications
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For a random sample of 64 overweight men, the mean of the number of
pounds that they were overweight was 30. The standard deviation of the population
is 4.2 pounds.
(a) Find the best point estimate for the average number of excess pounds for all
overweight men.
(b) Construct a 95% confidence interval of the mean of these pounds.
Transcribed Image Text:For a random sample of 64 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.2 pounds. (a) Find the best point estimate for the average number of excess pounds for all overweight men. (b) Construct a 95% confidence interval of the mean of these pounds.
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