A regression between foot length (response variable in cm) and height (explanatory variable in inches) for 33 students resulted in the following regression equation: ŷ = 10.9 + 0.23x 4. One student in the sample was 73 inches tall with a foot length of 29 cm. What is the predicted foot length for this student? A. 17.57 cm В. 27.96 ст С. 27.69 сm D. 33 cm One student in the sample was 73 inches tall with a foot length of 28 cm. What is the residual for this student? Ä. 29 cm B. 1.31 cm C. 0.00 cm D. None of the choices What is the estimated average foot length for students who are 68 inches tall? A. 26 cm В. 28 ст С. 29 сm D. None of the choices

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