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Confidence Interval: Mean Salary of Google Managers

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A random sample a 16 Google managers yield the following information on annual salaries. The sample mean is $69,000, with a sample standard deviation of $4,000. What is the mean salary of all Google managers? What is the 95% confidence interval for the population mean?

Confidence interval - mean

95% confidence level
69000 mean
4000 std. dev.
16 n
2.131 t (df = 15)
2131.450 half-width
71131.450 upper confidence limit
66868.550 lower confidence limit

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Solution Summary

The solution provides step by step method for the calculation of confidence interval for mean salary of Google managers. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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Mean salary of all Google managers = $69,000
The 95% confidence interval is given by
Confidence Interval ...

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