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A magazine published a study of subscribers salaries. The 229 subscribers sampled had a mean salary of 116,710 and a standard deviation of 39,025. Suppose
A magazine published a study of subscribers salaries. The 229 subscribers sampled had a mean salary of 116,710 and a standard deviation of 39,025. Suppose the goal of the study is to estimate the true mean salary of all subscribers. The magazine has 2,126 total subscribers.
a. Estimate the mean with an approximate 95% confidence interval.
The magazine estimates the true mean salary of each subscriber to be in the interval $ to $ with 95% confidence.
Round to the nearest dollar as needed.
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Answer Given n 229 X mean 116710 Standard deviation s 39015 N 2...Get Instant Access to Expert-Tailored Solutions
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