📝 #7b: Predictions with Lines of Fit #2

Use the line of fit to predict how many coats would be sold on a day when the temperature was 40^°F.

• 48

• 49

• 55

• 60

Use the line of fit to predict how many coats would be sold on a day when the temperature was 55^°F.

• 30

• 34

• 38

• 42

Use the trend line to predict the amount of average emails sent by a 12 year old.

• 24

• 28

• 29

• 33

Use the trend line to predict the amount of average emails sent by a 60 year old.

• 4

• 7

• 10

• 11

A possible equation for the line of fit could be

 $y\ =\ 1.65x+375$  
Use the equation to predict how much money would be earned if there were 175 tables.

• 663.75

• 388.75

• 625.25

• 648.25

A possible equation for the line of fit could be

 $y\ =\ 1.65x+375$  
Use the equation to predict how much money would be earned if there were 500 tables.

• 1200

• 825

• 1275

• 1225

A possible equation for the line of fit would be: 

 $y=-750x+11,000$  

Use the equation to predict the car value 7 years after it was purchased.

• $5,500

• $5,250

• $5,850

• $5,750

A possible equation for the line of fit would be: 

 $y=-750x+11,000$  

Use the equation to predict the car value 13 years after it was purchased.

• $1,250

• $1,300

• $1,350

• $1,200

One possible equation for the trend line could be: $y=-2x+40$  

Use the equation to predict the price if 17 units were sold.

• 6

• 8

• 2

• 4

One possible equation for the trend line could be: $y=-2x+40$  

Use the equation to predict the price if 18 units were sold.

• 6

• 8

• 2

• 4