Scatterplots & Line of Best Fit

Which equation most closely represents the line of best fit for the scatter plot below?

• y=x

Based on the line of best fit, which exam grade is the best prediction for a student who spends about 4 hours on math homework each week?

• 62

• 72

• 82

• 92

What is the relationship between test scores and hours of sleep shown in this graph?

• undefined association

• positive association

• negative association

• no association

Which equation matches the line of best fit shown?

• y=x+5

• y=x+25

• y=5x+5

• y=5x+25

What type of association is shown in the scatterplot?

• no association

• positive association

• negative association

• perfect association

According to this data and the line of best fit shown, when should a typical infant weigh 17 pounds?

• 6 months

• 10 months

• 13 months

• 16 months

Which equation shows the best trend line for the scatter plot?

Which equation best represents this scatterplot?

Which equation best represents the scatterplot?

Which of the following best represents the equation for the line of best fit for the data shown?