Algebra 1 5-7 Independent Practice: Scatter Plots and Trend Lines

by Matthew Richardson

| 7 Questions1

20

Make a scatter plot of the data, draw an appropriate trend line, and write the equation of the trend line.

Be sure to include relevant graph detail: label axes, indicate units and scale on both axes, and use arrows to represent end behavior, as appropriate.

2

10

Consider your scatter plot and the data in the previous item. What type of relationship is shown?

Strong positive correlation

Positive correlation

Little to no correlation

Negative correlation

Strong negative correlation

3

10

Consider your scatter plot and the data once more. Predict the average maximum daily temperature in January at a latitude of 50° N.

Choose the most reasonable prediction.

About 10°F

About 20°F

About 30°F

About 40°F

4

10

Vocabulary: Given a set of data pairs, how would you decide whether to use interpolation or extrapolation to find a certain value?

5

10

Compare and Contrast How are a trend line and the line of best fit for a set of data pairs similar? How are they different?

6

7

10

Reflection: Math Success

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