Topic 2 Review

# Topic 2 Review - Height (in) Weight (lb) 63 62 75 61 62 63...

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Topic 2: Exploring Relationships Between Variables Chapters 7 through 10

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Correlation, Regression, and Prediction Here are the heights and weights for female AP Stats students. 1. Is it reasonable to assume these data are drawn from a normally distributed population? (Why or why not?) 2. Describe the relationship between the height and weight. 3. Calculate and interpret r. 4. Calculate and interpret R 2 . 5. Write an equation of the LSRL. Interpret the slope and the y intercept in context. 6. Do you think that this line is a good model? 7. Predict the weight for a 65 inch female. 8. Predict the weight of a 20 inch newborn female.
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Unformatted text preview: Height (in) Weight (lb) 63 62 75 61 62 63 66 63 67 67 64 61 64 63 64 71 64 62 65 64.5 68.5 65.5 64 64 117 107 170 91 118 130 135 120 125 117 135 88 110 123 110 134 129 129 123 115 122 120 111 115 Re-Expressing Data The average movie ticket prices in selected years since 1948 are listed in the table below. Create the best model to predict ticket prices. Year Ticket Price \$ 1948 1954 1958 1963 1967 1971 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 .36 .49 .68 .86 1.22 1.65 1.89 2.03 2.13 2.23 2.34 2.47 2.69 2.78 2.94 3.15 3.36 3.55 3.71 3.91 4.44...
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## Topic 2 Review - Height (in) Weight (lb) 63 62 75 61 62 63...

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