Mylab & Mastering Pea.. .aMiguel f. Chris Brown & F Online Critical l 22 Mail-wi

Question

Mylab & Mastering Pea.. .aMiguel f. Chris Brown & F Online Critical l 22 Mail-wiclerk ecflin G Google P The distribution below illustrates which of the following? Select one O a One-tailed null hypothesis O b. Non-directional null hypothesis O c. Directional altemative hypothesis d. Two-tailed alternative hypothesis Deciding to use a directional versus non-directional alternative hypothesis most directly affects Select one a alpha (?) b. the sample size c the critical value(s) d the degrees of freedom tiz

Explanation / Answer

For question-1,

In a two-tailed test, irrespective of the direction of the relationship we hypothesize, we test the possibility of the relationship in both directions. It means that on the normal curve, we are interested in both the ends of the curve

As we are testing values greater than or lesser than a particular level of significance, it becomes the alternative hypothesis

So, that will be Option- (D)

For question-2,

In both hypotheses, we differentiate then using the value of alpha

That defines the acception and rejection regions

So, that will be (A)

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