Question 1

You want to determine if a vegan diet influences body weight. Body weight is a ____________ variable.

Group of answer choices

Categorical

Numeric

Question 2

You wish to compare mean body weight between samples of men and women. Assuming group variances are equal, sample distributions for men are not normal, and sample distributions for women are normal, you should use a(n) ___________ to assess your data for significant differences.

Group of answer choices

independent samples T test

Welch-corrected T test

one-way ANOVA

Mann-Whitney U test

Question 3

You wish to compare body weights between students at 3 different colleges/universities in Memphis. Assuming that group variances are equal and that all group sample distributions are normal, you should use _____________ to assess your data for significant differences.

Group of answer choices

one-way ANOVA

repeated measures ANOVA

Friedman test

Kruskal-Wallis ANOVA

Question 4

You perform a paired T test comparing body weights before and after an exercise intervention in a group of subjects, finding a p-value of p=0.034. You __________ the null hypothesis and conclude that the body weights __________ by the exercise intervention.

Group of answer choices

fail to reject; are not altered

fail to reject; are altered

reject; are not altered

reject; are altered

Question 5

You run a one-way ANOVA on body weight sample data from individuals in 3 Tennessee cities. The p-value from the ANOVA is p=0.032. From this you can conclude that ______________.

Group of answer choices

the average body weight of individuals in at least one city differ from that of individuals in at least one other city

the average body weight of individuals in at least one city differ from that of individuals in the other two cities

the average body weight of individuals in all 3 cities are different

the average body weight of individuals in all 3 cities are the same