A sample of employees at a large chemical plant was asked to indicate a preference for one of three pension plans. The results are given in the following table. Does it seem that there is a relationship between the pension plan selected and the job classification of the employees? Use the .01 significance level.
Job Class Plan A Plan B Plan C
Supervisor 10 13 29
Clerical 19 80 19
Labor 81 57 22© BrainMass Inc. brainmass.com March 4, 2021, 8:13 pm ad1c9bdddf
This solution provides the null and alternative hypothesis and conducts a chi-square analysis to compare to the p-value. A decision is made to accept or reject the null hypothesis. All steps are shown in an Excel file.