Some Hints for Applications 1You have read a lot of material on hypothesis testing these past 8 days, and from the postings I know that there is still an uncomfortable level for you in some of the hypothesis test process. Let’s review and summarize what to do in the 5-step process.Understanding What is Given, What is Being Asked to TestYou must read the “situation” carefully. Know that (at this point) ALLof the numbers (values) are given in this description: the sample we are testing X(X bar), the population mean (μ), the standard deviation, and the number of samples (n). All we need to do is plug them into the appropriate formula. Also, we need to determine which of the three possible hypothesis set ups the situation is asking. There are described as “no direction” (other words may be used, such as no change, etc), or greater than (also referred to more than), or less than (etc.). The importance of knowing the direction as given in the situation description is that it establishes the set up of the hypotheses. So, after carefully reading the situation, let’s conduct the five step process.
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Null hypothesis, Statistical hypothesis testing, 8 days, rejection region