Author Question: A useful method for determining whether a linear function is the appropriate function to describe ... (Read 72 times)

Marty · **on:** Jun 24, 2018

A useful method for determining whether a linear function is the appropriate function to describe the relationship between the x and y variable is a residual plot in which the residuals are plotted on the vertical axis and the independent variable is

on the horizontal axis. Indicate whether the statement is true or false

Question 2

Assume that a medical research study found a correlation of -0.73 between consumption of vitamin A and the cancer rate of a particular type of cancer. This could be interpreted to mean:

A) the more vitamin A consumed, the lower a person's chances are of getting this type of cancer.
B) the less vitamin A consumed, the lower a person's chances are of getting this type of cancer.
C) the more vitamin A consumed, the higher a person's chances are of getting this type of cancer.
D) vitamin A causes this type of cancer.