Hypothesis testing is a well-structured process that consists of several logical

Question

Hypothesis testing is a well-structured process that consists of several logical steps, and it aims at refining a business decision.
Hypothesis testing is a quite common technique used by researchers. With regard to hypothesis testing, answer the following questions.

What are the steps to conduct a hypothesis test? How does a researcher determine which statistical test to conduct?

How does a researcher determine which level of significance to use?

What software programs can be used to compute these tests? Where is the critical test value found?

How can one determine if the null hypothesis should be rejected?

Give a business example on each of the three possible cases of hypothesis testing. Do you think the rejection region will be different in each one of the three cases? Why? Why not?

Explanation / Answer

What are the steps to conduct a hypothesis test? How does a researcher determine which statistical test to conduct?

How does a researcher determine which level of significance to use?

Normally the generic significance level that are used are

This is determined based on the field of the study and the researchers experience in the field

What software programs can be used to compute these tests? Where is the critical test value found?

There are many software programs that can do this

List includes

Critical values of the test are found from the respective tables, such as t tables , z tables , F tables etc depending upon the type of test being conducted

How can one determine if the null hypothesis should be rejected?

using the critcal value approach

Using the p value approach

Please note that we can answer only 4 subparts of a question at a time , as per the answering guidelines

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