7
QuizMultiple Choice

Drawing Trend Lines — Quiz

Question 7 • Mathematics 8

Which step comes last when using the divide-center method to find the trend line on a scatterplot?

Answer
A
Approximate the center of the cluster located on the left side of the line, and repeat for the right side of the line.
B
Draw a vertical line so that each side has the same number of data points.
C
Disregard all outliers.
D
Connect the two centers to produce the trend line.

Explanation

After splitting the scatterplot into two groups with a vertical line and estimating the center of each group, the final step is to connect those two centers. That line is the trend line, so the correct choice is “Connect the two centers to produce the trend line.”

AI-written and checked against the verified answer.

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