# Hypothesis Testing: Using a T-Test

I have a sample of 40 surveys selected from one population and the mean is 102 and the sample deviation is 5. If 50 surveys are selected from a second source, the mean is 99 with a standard deviation of 6. Conduct a hypothesis test using the .04 significance level to see if their is a difference between the population means.

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#### Solution Summary

This solution provides a step by step method for testing the hypothesis under a 5 step approach. An Excel template is attached and all of the calculations have been completed in this spreadsheet. By clicking directly onto the cells, it shows what functions were used to compute the desired values.This template can be used to obtain the answers of similar problems in the future. A Word document contains the completed solution.