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Key terms, tests, and one or two tail of hypothesis testing

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A. What are the key terms in a verbal hypothesis statement that signify whether you are conducting a one-tailed test or a two-tailed test?

b. Give an example of a possible T test of hypothesis from your operation and show the Null and Alternate hypothesis for your example. Give both word.doc hypothesis statement and then the symbols for the Null and Alternate.

c. If you use a one tail or a two tail test in this example, explain the use of the t table to find the decision rule for your example. Note in step b you are giving the hypothesis, and here in step c you are providing the decision rule. I do not ask that you show the remaining steps, but if you want to do that you can. It may be good practice for me to understand, where I am asked to show all 5 steps of the t test hypothesis.

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Solution Preview

1. The one tail test is always greater than or equal to. The two tail test is greater or less than or equal to.

2. In my company the sample size is small so I would want ...

Solution Summary

Answers to three questions based on key terms, t tests, and the use of one or two tail hypothesis testing methods.

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See Also This Related BrainMass Solution

Hypothesis testing for job satisfaction: Gender and Position type

Use the attached files.

TEST #1

Perform the following two-tailed hypothesis test, using a .05 significance level:

Intrinsic by Gender
State the null and an alternate statement for the test
Use Microsoft Excel (Data Analysis Tools) to process your data and run the appropriate test. Copy and paste the results of the output to your report in Microsoft Word.
Identify the significance level, the test statistic, and the critical value.
State whether you are rejecting or failing to reject the null hypothesis statement.
Explain how the results could be used by the manager of the company.

TEST #2

Extrinsic variable by Position Type
State the null and an alternate statement for the test
Use Microsoft Excel (Data Analysis Tools) to process your data and run the appropriate test.
Copy and paste the results of the output to your report in Microsoft Word.
Identify the significance level, the test statistic, and the critical value.
State whether you are rejecting or failing to reject the null hypothesis statement.
Explain how the results could be used by the manager of the company.
GENERAL ANALYSIS (Research Required)

Explain when to use a t-test and when to use a z-test. Explore the differences.
Discuss why samples are used instead of populations.

SEE the attached Templete Data sheet and the data tool pack if you don't have in your excel.

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