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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?
d. What is your conclusion

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The Solution uses the sample responses to test a job satisfaction hypothesis.

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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 ...

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