Question

Asked May 7, 2019

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questions d,e,f

Step 1

D.

To test whether the amount of pain is less when they swear compared to that when they don’t swear, the matched pairs t-test can be used.

The data must be taken as follows:

If ‘n’ number of people are randomly chosen, when these persons experience pain, the amount of pain must be noted before and after swearing. Then the mean difference between the amount of pain before and after swearing is tested using matched pairs t-test.

The hypotheses are:

Step 2

E.

To test the proportion of American adults who can’t identify the United States on a world map, one sample proportion z-test can be used.

The data must be taken as follows:

If ‘n’ number of people are randomly chos...

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