Line of Best Fit Practice

In the equation of the line of best fit, the m stands for?

• the slope

• the y-intercept

• the x-intercept

• the strength of the data points

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y = 5x + 25

• y = x + 25

• y = 25x + 1

• y = 25x + 5

Tags

CCSS.8.EE.B.5

Using the trendline on the graph, if you are 24 years old, how many emails per day would you expect to send?

• about 25

• about 35

• about 12

• about 72

Use the equation of the trend line y = 8.77x + 686 to predict what the hiker's elevation will be after 145 minutes. Round to the nearest whole number of feet.

(a)  

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

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

In the scatter plot, does the image shows a "Line of Best Fit"?

• Yes

• No

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Is there anything wrong with the line of best fit?

• The line of best fit it perfect!

• There are too many data points BELOW the line.

• There are too many data points ABOVE the line.

• The line of best fit should be longer.

The y-intercept of the line of best fit would be (a)   .

Tags

CCSS.HSF.LE.B.5