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Grade 8 Homework Resolved Glncd
Question 4
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Model with Mathematics Refer to the graphical novel frame below for Exercises a-b.
a . The scatter plot shows the average ticket prices since 1995. Draw a line that best represents the data in your scatter plot.
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Question 4
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b . Write an equation in slope-intercept form for the line of best fit. Make a conjecture about the cost of a movie ticket in 2020.
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H.O.T. Problems H igher O rder T hinking
Question 5
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Use Math Tools Use a newspaper or the Internet to find a scatter plot that consists of at least seven data points. Tape the scatter plot to your book. Draw a line of best fit and write an equation for the line.
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Question 6
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Persevere with Problems Describe or draw a scatter plot where a line of fit does not model the data. Explain your reasoning to a classmate.
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Question 7
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Justify Conclusions Determine whether each statement is always , sometimes , or never true for data with a positive association. Justify your response.
a . The statement of the line of best fit is positive.
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