1.Twin B has a z-score of -2.0 and Twin A has a z-score of -1.0. Therefore, Twin A has ________ Twin B.

a) The same as

b) A higher score than

c)A lower score than

d) A more standard score than

2.If the points on a scatterplot are all far away from the regression line:

a)the standard error of the estimate is small

b)ris close to 0

c)the standard error of the estimate is large

d)ris a positive number

3.If you were asked what it meant to calculate relative risk, you would say that you are essentially determining the ratio of two:

a)conditional proportions

b)expected frequencies

c)observed frequencies

d)relative likelihoods

4.A basketball coach is assessing her team's points this season on a 200-point scale. Aside from a few players who have scored a high number, most scored 75 of below. What type of distribution do the basketball points represent?

a)Nominal

b)Positively skewed

c)Normal

d)Negatively skewed

5.Graduate students reported the number of hours of Netflix they watched per week this semester. Here are their data: 9, 11, 12, 14, 15. What is the mean number of hours of Netflix watched per week for this sample?

a)12

b)12.2

c)5

d)13.5