FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In their advertisements, a new diet program would like to claim that their methods result in a mean weight loss of more than ten pounds in two weeks. In order to determine if this is a valid claim, they hire an independent testing agency that then selects twenty-five people to be placed on this diet. The agency should be testing the null hypothesis H0:m = 10 and the alternative hypothesis
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Explanation:
Detailed explanation-1: -Analysis of variance (ANOVA) is an inferential method used to test the equality of three or more population means.
Detailed explanation-2: -A test statistic is a summary of the data used to examine differences between the data and what is expected under the null. measure the difference between the data and what is expected under the null hypothesis.
Detailed explanation-3: -The main difference between one-tailed and two-tailed tests is that one-tailed tests will only have one critical region whereas two-tailed tests will have two critical regions. If we require a 100(1−) 100 ( 1 − ) % confidence interval we have to make some adjustments when using a two-tailed test.
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