Practice: Line of Best Fit

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.

How many laps would you expect to run in order to burn 130 calories?

• 4

• 3

• 9

• 10

Tags

CCSS.HSF.LE.B.5

Which graph displays the best fitting line?

• A

• B

• C

• D

Students who miss more class get _______ exam scores.

• higher

• lower

What type of association is shown in the scatter plot?

• positive

• negative

• no correlation

• nonlinear correlation

Tags

CCSS.HSF-LE.A.1B

What is the best definition of a scatter plot?

• A graph that shows data changing over time.

• A graph that shows information that is connected in some way.

• A graph that shows the relationship between two sets of data.

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

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

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

As x increases, y increases

• positive correlation

• negative correlation