Predictions for Scatter Plots

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

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Statistics

Scatter Plots

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

• A

• B

• C

• D

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Statistics

Scatter Plots

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15

• y = -5/4x + 21

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Statistics

Line of Best Fit

What type of correlation does this scatter plot show?

• positive linear association

• negative linear association

• no association

• exponential association

• quadratic association

Tags

Statistics

Scatter Plots

• F

• G

• H

• J

Which statement best represents this relationship?

• There is no relationship between the number of miles driven and the amount of gas remaining in the tank

• As the number of miles driven increases, the amount of gas remaining in the tank increases.

• As the number of miles driven increases, the amount of gas remaining in the tank decreases.

• A relationship cannot be determined from this scatter plot

Ben collected data from a group of 12 people. He measured each person's resting heart rate and recorded the average number of hours each person exercised per week. He created a scatterplot to show the data he collected.

Based on the scatterplot, what is the best prediction of the resting heart rate, in beats per minute, of a person who exercises an average of 8 hours each week?

• 30 beats per minute

• 50 beats per minute

• 55 beats per minute

• 60 beats per minute

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

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min

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.