make predictions

How much would you expect a family of 6 to spend on average?

• 150

• 200

• 240

• 125

How many total dollars would you expect 10 people to spend?

• 130

• 150

• 110

• 100

How many hours of recreational activity would you expect for someone who works 60 hours.

• 14

• 20

• 8

• 26

How many bowlers would you expect if a group rented 12 lanes?

• 90

• 78

• 61

• 55

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

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

Based on the scatterplot, what is the best prediction of the resting heart rate of a person who exercises an average of 8 hours each week?

• 30 beats per minute
• 50 beats per minute
• 55 beats per minute
• 60 beats per minute

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

If the debate team practiced for 4 hours, how many debates are they expected to win?

• 20
• 16
• 8
• 12

If the carpenter worked for 6 days, how much did he earn?

• 1250
• 1500
• 1750
• 2000

In this example you can see the trend line in red intersect the 6 absences line at about 76. Therefore the actual point for 6 absences should be near or around 76, not necessarily exactly 76.

• So the actual point could be between 70-85 ish

• ...