Scatterplot Lines and Slope of Best Fit

Which line is the best fit for the data?

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Which line is the best fit for the data?

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Which statement best explains whether the trend line is a good fit for the data?

• The trend line is NOT a good fit for the data because there is an outlier.

• The trend line is a good fit for the data because it passes through two of the data points.

• The trend line is a good fit for the data because the data represents a positive association, and the line has a positive slope.

• The trend line is NOT a good fit for the data because most of the points are below the trend line.

Jalen and Liam drew trend lines for the same data set. Which line seems to be a better fit for the data?

• Jalen's Trend Line

• Liam's Trend Line

Carlota and Julie drew trend lines for the same data set. Which line seems to be a better fit for the data?

• Carlota's Trend Line

• Julie's Trend Line

Alisha made a scatter plot that compares the number of minutes the members of the basketball team played to the points each scored during a game. She drew a line of best fit as shown. Does her line of best fit accurately represent the data set?

• Yes

• No

Does the line of best fit seem to be accurate?

• Yes

• No

TRUE OR FALSE: Data points that lie above the trend line should be about the same distance as data points below the trend line.

• True

• False

TRUE OR FALSE: A line of best fit must go through the origin.

• True

• False

Which scatter plot shows a negative relationship?

• Graph A
• Graph B
• Graph C
• Graph D