Question

Scatter Plots & Data Analysis Online Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
4 of 154 of 15 Items













Question
Which two quantitative variables would show a positive correlation if graphed on a scatterplot?(1 point)
Responses

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

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

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

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

Answer 1

The two quantitative variables that would show a positive correlation if graphed on a scatterplot are:

**the age of a child and the size of the child’s vocabulary.**

As children age, it is generally expected that their vocabulary size increases, hence showing a positive correlation.