What are the critical values for rejection


Discuss the below:

Q: You have a sample size of 120 and the population standard deviation of 20. You are testing the null hypothesis of whether the population mean is 120 or not.

A. What are the critical values for rejection when Type I error is 5%?

B. If actual mean is 121, find the Type II error

C. Draw the Type I and II errors

 

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Basic Statistics: What are the critical values for rejection
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