Explore BrainMass

Explore BrainMass

    Hypothesis Testing: Using a T-Test

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    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.

    © BrainMass Inc. brainmass.com June 3, 2020, 9:07 pm ad1c9bdddf

    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.