Scatter Plot Word Problems

The equation of the line of best fit of a scatter plot is y = 12x + 7. What is the slope of the equation?

• 12

• -12

• -7

• 7

Tags

CCSS.8.EE.B.5

Which graph represents a positive nonlinear association between x and y?

• Graph A

• Graph B

Tags

CCSS.8.F.A.3

The equation of the line of best fit of a scatter plot is y = −4x − 6. What is the the y-intercept?

• 6

• 4

• -4

• -6

Tags

CCSS.HSF.LE.B.5

The equation of the line of best fit of a scatter plot is y = −7x − 2. What is the the y-intercept?

• -2

• -7

• 2

• 7

Tags

CCSS.HSF.LE.B.5

The equation of the line of best fit of a scatter plot is
y = –7x – 2. What is the the y-intercept?

• -9

• -2

• 2

• -7x

Tags

CCSS.HSF.LE.B.5

The equation of the line of best fit of a scatter plot is
 y = –8x + 3. What is the the y-intercept?

• 11

• -5x

• 3

• y= mx + b

Tags

CCSS.HSF.LE.B.5

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

Tags

CCSS.HSF-BF.B.4A

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

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

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump

• negative: the less you run the less distance of your jump

• positive: the further your running start the less your distance

Tags

CCSS.HSF.IF.B.4