# The Five-step Process for Hypothesis Testing

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The response to the question:

"What is the five-step process for hypothesis testing? Is the order important? Why or why not?"

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The solution contains detailed explanation of the five-step process for hypothesis testing.

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Please see the attachment. Good luck,Changping

The response to the question:

"What is the five-step process for hypothesis testing? Is the order important? Why or why not?"

should be at least 200 words.

Five Step Model for Hypothesis Testing

Step 1. Making assumptions.

Step 2. Stating the null hypothesis.

Step 3. Selecting the sampling distribution and establishing the critical region.

Step 4. Computing the test statistic.

Step 5. Making a decision.

Step 1 - Making Assumptions

Assumptions must be made about the data:

Random sampling.

Level of measurement is interval-ratio.

Sampling distribution is ...

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- BSc , Wuhan Univ. China
- MA, Shandong Univ.

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- "Your solution, looks excellent. I recognize things from previous chapters. I have seen the standard deviation formula you used to get 5.154. I do understand the Central Limit Theorem needs the sample size (n) to be greater than 30, we have 100. I do understand the sample mean(s) of the population will follow a normal distribution, and that CLT states the sample mean of population is the population (mean), we have 143.74. But when and WHY do we use the standard deviation formula where you got 5.154. WHEN & Why use standard deviation of the sample mean. I don't understand, why don't we simply use the "100" I understand that standard deviation is the square root of variance. I do understand that the variance is the square of the differences of each sample data value minus the mean. But somehow, why not use 100, why use standard deviation of sample mean? Please help explain."
- "excellent work"
- "Thank you so much for all of your help!!! I will be posting another assignment. Please let me know (once posted), if the credits I'm offering is enough or you ! Thanks again!"
- "Thank you"
- "Thank you very much for your valuable time and assistance!"

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