RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

TESTS OF SIGNIFICANCE

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
 A Ha: B Ha: C Ha: D Ha:
Explanation:

Detailed explanation-1: -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-2: -If the p-value is less than or equal to the specified significance level , the null hypothesis is rejected; otherwise, the null hypothesis is not rejected. In other words, if p≤, reject H0; otherwise, if p> do not reject H0.

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