MHB True or false questions involving the null hypothesis

[Uniman]

1) The null hypothesis represents the condition that will be assumed to be true unless sufficient
evidence is presented to show that the condition has changed.

True.

2) A P-value greater than the chosen level of significance results in concluding the null hypothesis is
true.

True.

3) The alternative hypothesis will be accepted to be true if the null hypothesis is rejected.

True.

4) Sometimes both the null and alternative hypotheses can be rejected at a level of
significance.

False.

5) A P-value less than the chosen level of significance results in rejecting the null hypothesis.

True.

Am I right or wrong?​

 

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[pickslides]

Re: True or false

1) The null hypothesis represents the condition that will be assumed to be true unless sufficient
evidence is presented to show that the condition has changed.

True.

​

Correct

2) A P-value greater than the chosen level of significance results in concluding the null hypothesis is
true.

True.

Yes, but we say "we fail to reject the null hypothesis", we don't say the null hypothesis is true

3) The alternative hypothesis will be accepted to be true if the null hypothesis is rejected.

True.

No, we don't accept the alternate hypothesis, we reject the null hypothesis. It's all in the words we use.

4) Sometimes both the null and alternative hypotheses can be rejected at a level of
significance.

False.

correct

5) A P-value less than the chosen level of significance results in rejecting the null hypothesis.

True.

​

correct