Linear Regression from Word Problems

Determine the predicted income if 22 hours were worked on an assembly job.

• $207.30

• $449.60

• $691.90

• $543.30

Tags

CCSS.HSF.LE.B.5

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = - 30x + 100

• y = 100 + 30x

• y = 100x + 30

• y = 100x - 30

Tags

CCSS.6.EE.C.9

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

Write a linear model for the following situation. Your pizza costs $12 plus $0.50 per topping.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The given table represents that total saved (y) after x number of months. a) The (y-intercept) initial value is (a)   and the slope is​ (b)   b)The linear equation is ​ (c)  

• 15

•  y=10x + 25

• 35

• 60

• 10

• 25

• y=25x + 10

• y=35x - 10

Tags

CCSS.HSF.LE.B.5

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79

• y = 179x + 0.01

• y = 0.016x + 0.03

• y = 103x + 0.016