15 years of experience is between what two numbers

Assignment Help Applied Statistics

Reference no: EM13831578

A sample of 9 managers with over 15 years of experience has an average salary of $71,000 and a sample standard deviation of $18,000.

Assuming that the salaries of managers with over 15 years experience are normally distributed, you can be 95% confident that the mean salary for all managers with at least 15 years of experience is between what two numbers?

What is the lower and upper limit?

Reference no: EM13831578

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