Question

If you do a one-tailed test instead of a two-tailed test, what must change? Select all...

If you do a one-tailed test instead of a two-tailed test, what must change? Select all that apply.

alpha

the critical vlalue(s)

the size of the critical region

the way that H0 is stated

the way that H1 is stated

the z-score of the sample mean

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Answer #1

correct options are:

the critical vlalue(s)  

the way that H1 is stated

(since the sign of H1 is directional,. and for one tailed hypothesis , crtiical value will be only on one tail)

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