Scatterplots

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 pages would be in a book with 19 chapters. 

• 150 pages

• 170 pages

• 190 pages

• 210 pages

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

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

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. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

Estimate the y-intercept of the trend line by looking at the graph.

• 2

• 1.8

• 1.2

• 0

Based on this data, how much money would the carpenter earn from a job that took 3 days to complete?

• $740

• $1000

• $550

• $1740

What type of association does this graph have?

• positive

• negative

• none

• all of the above

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Read the question in the image and then answer with the correct response

• A

• B

• C

• D