Line of Best Fit

find line of best fit using calculator through these points (0,0)(1,2) (3,5) (6,7)

• y=65x+7

• y=1.14x+.64

• y=1.5x+64

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

find line of best fit through these points

(1,3) (2,4) (5,8)

• y=1.27x+1.615

• y=2x+7

• y=1.7x+8

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What is the line of best fit?

• y= 5x+1.82

• cannot be determined

• y= 1.82x + 5.02

• y= 1.1x + 4.2

Caroline weighs her new puppy every month to see how much it has grown. If age is x and weight is y, which of these is the correct equation for the line of best fit?

• y = 3.6 + 8.9

• y = 3.6x + 8.9

• x = 8.9y + 3.6

• y = 8.9x + 3.6

The table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.

• y = 25.05x + 5.57

• y = 5.57x + 25.05

• y = -5.57x + 25.05

• y = 5.57x - 25.05

The table shows the height of a tree for various years after it was planted. Using the line of best fit, how tall would the tree be 30 years after it was planted?

• 22 feet

• 23 feet

• 36 feet

• 37 feet

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

The table shows the height and shoe sizes of several students. Use the line of best fit to predict a student's height if they wear a size 7 shoe.

• 35 inches

• 65 inches

• 17 inches

• 75 inches