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I am looking for a solution for this problem.

I have included the database that goes with the question.

I unfortunately have a very short deadline. I would appreciate any help.

https://brainmass.com/statistics/hypothesis-testing/survey-responses-32582

#### Solution Preview

1. Test a hypotheses to see whether the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5 with a = .05.

a. State the null hypothesis, the alternative hypothesis, and the significance level.
Let M = average overall job satisfaction = SUM(OVERALL) / N-1
where ...

#### Solution Summary

Using the large database of survey responses (this is your sample), you will begin testing hypotheses. Complete the following:

1. Test a hypotheses to see whether the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5 with a = .05.

a. State the null hypotheses, the alternative hypotheses, and the significance level.
b. Using the data in our database, calculate the test statistic.
c. What is the critical level for the significance level?