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Skill 10: Line of Best Fit

Last updated about 6 years ago

3 Nsɛmmisa

1

1

2

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Three students are analyzing bean seedlings grown for a science experiment. The scatter plot shows the heights of the seedlings and the number of leaves on each plant. Each student draws a different trend line for the data. • Kathy draws a line through points A and E. • Calvin draws a line through points B and D. • Deanna draws a line through points C and F.
Explain whether or not each student’s trend line represents the data.

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Bridget drew the trend line shown in the following scatter plot. Which statement best explains whether the trend line is a good fit for the data?

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

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

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

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

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Through which pairs of points could a trend line be drawn that represents the data? Choose all that apply.

points A and F

points B and G

points B and E

points D and G

points C and E

points E and G