Which of the following statements are true?
I. The null hypothesis contains the equality, such as $\mu = \mu_0$ .
II. The alternate hypothesis contradicts the null hypothesis.
III. Rejecting $H_0$ proves $H_1$ with certainty.
IV. Hypotheses are statements about population parameters.

All four: I, II, III and IVCorrect answerYour answerI, II and IV onlyCorrect answerYour answerI and II onlyCorrect answerYour answerII and IV onlyCorrect answerYour answer

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CorrectNot quiteAnswer B

Correct answer: B

I, II and IV describe how hypotheses are set up.
III is false: a test works with probabilities; rejecting $H_0$ at 5% still leaves a chance of error.

Concept: What a test can conclude
Typical timeTypical: 120 s
Your timeYours: —

The rule this testsNull and alternate hypotheses

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Ten questions from Sampling, Inference & the t-Test, at your own pace.

Explanation