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# Test of hypothesis

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Using AIU's large data base of survey responses from unit 2 Individual project (keep in mind this data base is your sample), you will begin testing hypothesis. Complete all of the following:

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

a.state the null hypothesis, the alternate hypothesis, 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? Do we accept or reject the null hypothesis?

You may use Exel for the calculations, but, you need to answer all four questions.

https://brainmass.com/statistics/hypothesis-testing/41900

#### Solution Preview

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Using AIU's large data base of survey responses from unit 2 Individual project (keep in mind this data base is your sample), you will begin testing hypothesis. Complete all of the following:

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

a.state the null hypothesis, the alternate hypothesis, and the significance level.

b. Using the dat in our database, calculate the test statistic.

c. What is the critical level for the significance level?

d. What is your conclusion? Do e accept or reject the null hypothesis?

You may use Exel for the calculations, but, you need to answer all four ...

#### Solution Summary

The solution tests the hypothesis the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5.

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