Scatter Plots and Lines of Fit

The scatter plot shows students' scores for Quiz 1 and Quiz 2. What is the Quiz 1 score for a student who earned a score of 13 on Quiz 2?

• 10

• 19

• 15

• None of the students scored a 13 on Quiz 2.

Tell whether x and y show a positive, a negative, or no correlation.

• Positive correlation

• Negative correlation

• No correlation

The scatter plot shows students' scores for Quiz 1 and Quiz 2. One student earned the same score on both Quizzes. What was that score?

• 10

• 19

• 15

• 17

The scatter plot shows students' scores for Quiz 1 and Quiz 2. Find the FALSE statement.

• Two students scored a 20 on Quiz 1

• The lowest score on Quiz 1 was a 10.

• No student scored a 16 on either Quiz.

• One student scored a 20 on Quiz 2.

What relationship is shown in the scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is not relationship between cost and the number sold.

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

TRUE OR FALSE: A line of best fit must go through the origin.

• True

• False

TRUE OR FALSE: Data points that lie above the trend line should be about the same distance as data points below the trend line.

• True

• False

What is the trend for this scatter plot

• Negative

• Positive

• None

Which choice is the best possible equation for this set of data?