Question: I have to answer question #6 and I'm lost. Can anyone help me please? What assumptions must be met when using z and t for

I have to answer question #6 and I'm lost. Can anyone help me please?

What assumptions must be met when using z and t for hypothesis testing? Why are these assumptions not always strictly followed? 5. In hypothesis testing, what is meant by the term effect? . Exhibit 6-9 displays the results of a paired t test in which we were interested in deter- mining if the attitudes of HIM students toward statistics changed after viewing a video. We failed to reject the null hypothesis in this situation. What are some reasons for our failure to reject the null in this situation
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