Which two quantitative variables would show a positive correlation if graphed on a scatterplot?

Question

A The number of items in a family’s refrigerator and the number of days since the family’s last visit to the grocery store

B a student’s grades in math and the number of letters in the student's first name

C the age of a child and the size of the child’s vocabulary

D the population of a town and the height of its mayor

Answer 1

D the population of a town and the height of its mayor