Scatterplots and Systems

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 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76

identify the outlier

• 30, 100

• 100, 30

• there is no outlier

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

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

• A

• B

• C

• D

Which of the following lines represents the trend line for the scatter plot?

• A

• B

• C

• D

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

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

• Function
• Not a Function

How many solutions does this system have?

y = 2x + 1

y = 4x - 1

• One Solution

• No Solution

• Infinite Solutions

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 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters