Unit 5, Lesson 21
Describing Trends in Scatter Plots
Accelerated 7
Practice
Problem 1
For the same data, two different models are graphed. Which model more closely matches the data? Explain your reasoning.
A scatterplot labeled A. Horizontal, from 37 point 5 to 112 point 5, by 12 point 5’s. Vertical, from 0 to 200, by 40’s. 19 data points above and below line, trend linearly upward and right, 6 points on line. The line begins at about 50 comma 70 and ends at about 100 comma 150.
A scatterplot labeled B. Horizontal, from 37 point 5 to 112 point 5, by 12 point 5’s. Vertical, from 0 to 200, by 40’s. 19 data points above and below line, trend linearly upward and right, 3 points on line. The line begins at about 50 comma 60 and ends at about 100 comma 140.
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