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Grade 8 HMH Go Math - Answer Keys
Chapter 14:Scatter Plots; Lesson 2: Trend Lines and Predictions
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14.2 Independent Practice
Use the data in the table for Exercises 6–10.
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Question 6
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Make a scatter plot of the data and draw a trend line.
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Question 7
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What type of association does the trend line show?
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Question 8
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Write an equation for your trend line.
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Question 9
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Make a Prediction Use the trend line to predict the wind chill at these wind speeds.
a. 36 mi/h
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Question 10
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What is the meaning of the slope of the line?
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Use the data in the table for Exercises 11–14.
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Question 11
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Make a scatter plot of the data and draw a trend line.
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Question 12
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Write an equation for your trend line.
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Question 13
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Make a Prediction Use the trend line to predict the apparent temperature at 70% humidity.
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Question 14
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What is the meaning of the y-intercept of the line?
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(show solution)