Last AP Statistics Test: Good Luck
1.
Interpret R-Square (Coefficient of Determination)
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2. Interpret Slope
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3.
Give an example of interpreting slope in any context you choose.
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4.
Interpret R (Correlation Coefficient)
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5.
Using the context of arm span and height of a person, and the R = .65, interpret R in context.
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6.
Residual = _________________________
7. Least Squares Regression Line is height (hat) = .45 + 1.3 (arm span), find the residual for an arm
span of 25 inches. Show all work.
8.
Interpret the Confidence Level:
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9.
Interpret the Confidence Interval:
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10. Conclusion for a Linear Regression Slope
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