Which of the following is an example of a positive correlation?
A. Height and weight
B. Average income and shoe sizes
C. Average income and the incidence of dental disease
D. School grades and number of hours spent playing video games
Answer:A
Which of the following is an example of a positive correlation?
A. Height and weight B. Average income and shoe sizes C. Average income and the incidence of dental disease D. School grades and number of hours spent playing video games