Scatter Plot, Line of Best Fit, Outliers

Which line is the best fit for the data? (Half points above the line, half points below the line.)

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

• A

• B

• C

• There is no line of best fit for this graph because there is no trend.

Identify any clusters.

• Cluster at x = 14

• Cluster at x = 18

• Cluster at x = 24

• There aren't any noteworthy clusters in this graph.

A point far away from the other data points is considered a(n) ____?

• cluster

• scatter plot

• outlier

• variable

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

Which line is the best fit line for this scatter plot?

• a

• b

• c

• d

The line of best fit _____. Check all that apply.

• should include outliers.

• must pass through multiple points.

• should have about the same number of points above and below.

• can be used to make predictions.