In the previous question, a best-fitting line drawn through the data points would most likely go
a. straight across the page.
b. straight down the page.
c. from upper left to lower right.
d. from lower left to upper right.
Question 2
In plotting the relationship between the incidence of breast cancer and the level of vitamin D in the body, we would most likely plot
a. vitamin D on the Y axis and incidence of breast cancer on the X axis.
b. average daily sunlight on the Y axis and the incidence of breast cancer on the X axis.
c. vitamin D on the X axis and incidence of breast cancer on the Y axis.
d. The three answers above are equally good.