# Confidence Interval: Mean Salary of Google Managers

Not what you're looking for?

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

##### Purchase this Solution

##### 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.

##### Solution Preview

Please see the attachments.

Answers

Mean salary of all Google managers = $69,000

The 95% confidence interval is given by

Confidence Interval ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.