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Practice mode Statistical Inference

What is the first step in testing a hypothesis?

Correct answer D. Stating H0

Explanation

Testing begins by formulating the null hypothesis H0, since the alternative, significance level and test statistic are all chosen in relation to it.

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Question 03 Statistical Inference

Herbicide A has long been used to kill a certain weed. An experiment will test whether a new Herbicide B is more effective; A stays in use unless there is enough evidence that B is better. What is the alternative hypothesis?

Correct answer B. Herbicide B is more effective than Herbicide A

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