Baby weights: The average gestational age (time from conception to birth) of a newborn infant is about

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Baby weights: The average gestational age (time from conception to birth) of a newborn infant is about 40 weeks. The following table presents the gestational age (in weeks) and corresponding mean birth weight (in pounds) for female infants born in Canada.
Baby weights: The average gestational age (time from conception to

a. Compute the least-squares regression line for predicting the birth weight from the gestational age.
b. Compute the coefficient of determination.
c. Construct a residual plot. Does the relationship appear to be linear?
d. True or false: If the coefficient of determination is large, the relationship must be linear.

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