Line of Best Fit Real World Problems

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

• y = 1.45x + 22
• y = -2x + 15
• y = 1.33x + 30
• y = -1.5x + 24

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Using the given scatter plot, estimate how many emails per day an 18 year old gets.

• 48

• 38

• 28

• 18

Using the scatterplot and best fit line, estimate what the resting heart rate is after 2 hours of exercise.

• 65

• 85

• 72

• 62