What's the appropriate test?

Question 1

Test to see if the mean heights of tomato plants in two different fields are the same.

Accepted Answer

Chi-square test for independence, Difference of two means

Question 2

Test to see if average grades in period 2 are the same as period 8.

Accepted Answer

Difference of two means

Question 3

Test if there is a significant relationship between the type of car one owns and the type of job they have.

Accepted Answer

Chi-squared test for independence

Question 4

We want to investigate whether the average 12-year-old boy is taller than the average girl of the same age.

Accepted Answer

Difference of two means

Question 5

Test to see if owning dogs, cats or hamsters incurs on average the same monthly cost.

Accepted Answer

ANOVA

Question 6

Test to see if juniors or seniors are more likely to fail statistics class.

Accepted Answer

2 sample proportion

Question 7

Test to see if a sample of women show increased flexibility after 6 weeks of yoga class.

Accepted Answer

Matched pairs

Question 8

Does taking a prep course after a first attempt at the SAT lead to a better score on the 2nd attempt?

Accepted Answer

Matched pairs

Question 9

We want to investigate whether county of residence is related to political leanings.

Accepted Answer

Chi-squared test for independence

Question 10

Who is more likely to prefer country music: country folk or city folk?

Accepted Answer

2 proportion z

Question 11

Test to see if there is a relationship between number of piercings and number of tattoos.

Accepted Answer

Linear regression

Question 12

Test to see if the higher you climb, the more bruises you have when you fall.

Accepted Answer

Linear regression

Question 13

Test to see if freshmen, sophomores, juniors and seniors all have the same average GPA.

Accepted Answer

ANOVA

Question 14

Is there a relationship between preferred movie genre and gender?

Accepted Answer

Chi-square test for independence

Question 15

Test to see whether men or women are more likely to live in an apartment.

Accepted Answer

2 sample proportion

Question 16

Test to see if the number of weeks on a diet is a predictor for a person's weight.

Accepted Answer

Linear regression

Question 17

Test to see if the monthly rents in Philadephia, NYC, and LA are the same.

Accepted Answer

ANOVA

Question 18

Who is more likely to prefer country music: country folk or city folk?

Accepted Answer

2 proportion z

Question 19

Test to see if there is a relationship between exercises habits and level of education.

Accepted Answer

Chi-squared test for independence

Question 20

We want to investigate whether there is a relationship between the number of pets and household income.

Accepted Answer

Linear regression

Questions 20