Scatterplot Finding Line of Best Fit

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours
• 35 hours
• 45 hours
• 15 hours

Tags

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

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

Tags

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSF.IF.B.4

What is the equation of the line of best fit?

• y = 3/2x

• y = 30x

• y = 30x + 300

• y = 3/2x + 300

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

Tags

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

What is the line of best fit?

• f(x)= 5x+1.82
• cannot be determined
• f(x)= 1.82x + 5.02
• f(x)= 1.1x + 4.2

Tags

CCSS.8.EE.B.5

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

Tags

CCSS.HSS.ID.C.7

CCSS.HSS.ID.B.6

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

• f(x) = 25.05x + 5.57
• f(x) = 5.57x + 25.05
• f(x) = -5.57x + 25.05
• f(x) = 5.57x - 25.05

Tags

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

The table shown is comparing a person's foot length to their height in cm. What might the height of a person be with a foot length of 30 cm?

• 185 cm
• 180 cm
• 190 cm
• 192 cm

Tags

CCSS.HSF.IF.A.2