Scatterplots

If the debate team practiced for only 1 hour, how many debates are they expected to win?

• 2

• 6

• 10

• 14

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

The scatterplot shows the number of people in each of 8 different households and the average amount of money each household spent on groceries.

Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household that has 7 people?

• $240

• $190

• $210

• $285

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

A small theme park is trying to determine the number of guests they should expect on a weekend, based on the temperature outside.  Based on the trend line, about how many guests should be expected if the temperature is around 80°?

• 8,300

• 8

• 7,300

• 9,300

If two quantities A and B exhibit a negative correlation, then as quantity A increases, quantity B would . . .?

• stay the same

• increase

• decrease

If two quantities A and B exhibit a positive correlation, then as quantity A increase quantity B would . . .?

• increase

• decrease

• stay the same