Inference. What type of test is used for each of the following. Please, answer a

Question

Inference.

What type of test is used for each of the following.

Please, answer as many as you can.

2. Inference review, problem 2 Aa Aa It is believed that women's weight after pregnancy is less than before pregnancy. Using a sample in which each member of a randomly selected group of women is weighed before and after pregnancy, what should you use to test this claim? An independent samples t-test for difference in means (unequal variances) O A chi-squared test for variance O A z-test for population proportion O A z-test for difference in proportions O An independent samples t-test for difference in means (equal variances) O A paired sample t-test for difference in means O A z-test for the difference in means An F-test for difference in variances O A t-test for the mean O A z-test for the mean O An F-test for difference in means

Explanation / Answer

Problem 2 : paired t test is used

problem 3 : f test for difference in means

problem 4 : f test for difference in means

problem 5: z test for ddifference in means

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