Scatterplot Finding Line of Best Fit

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

Based on the graph, if Joe earned $400, how many hours did he work? Options: 25 hours, 35 hours, 45 hours, 15 hours

Back

25 hours

Front

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35

Front

Predict the number of pages in a book with 19 chapters using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

190 pages

Front

Equation of the line of best fit?

Back

y = 30x

Front

Equation of the line of best fit?

Back

y = -25x + 170

Front

What is the line of best fit? Options: f(x)= 5x+1.82, cannot be determined, f(x)= 1.82x + 5.02, f(x)= 1.1x + 4.2

Back

f(x)= 1.82x + 5.02

Front

Based on a scatterplot showing the relationship between the number of absences and a student’s final exam score, what score should a student with 6 absences get? Options: 65, 92, 70, 76

Back

76

Front

Calculate a line of best fit for a table comparing foot length to height in cm. Options: f(x) = 25.05x + 5.57, f(x) = 5.57x + 25.05, f(x) = -5.57x + 25.05, f(x) = 5.57x - 25.05

Back

f(x) = 5.57x + 25.05

Front

Foot length: 30 cm. What might the height be? Options: 185 cm, 180 cm, 190 cm, 192 cm.

Back

192 cm