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Grade 8 McGraw Hill Glencoe  Answer Keys
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Independent Practice 

Question 1
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The results of a survey about women's shoe sizes and heights are shown.
a. Construct a scatter plot for the data. Then draw and assess a line that best represents the data.
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Question 1
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b. Use the line of best fit to make a conjecture about the height of a female who wears a size 5 shoe.
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Question 2
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The table shows the number of Calories burned when walking laps around a track.
a. Construct a scatter plot for the data. Then draw and assess a line that best represents the data.
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Question 2
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b. Write an equation for the line of best fit. Use the equation to make a conjecture about the number of Calories burned if someone walks 15 laps.
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Question 3
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The scatter plot shows the number of girls who participate in ince hockey.
a. Write an equation in slopeintercept form for the line of best fit that is drawn, and interpret the slope and yintercept.
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Question 3
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b. Use the equation to make a conjecture about the number of girls that will participate in ice hockey in 2020.
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