Due in 7 hours, 10 minutes. Due Fri 07/27/2018 10: Is the gestational age (time

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Due in 7 hours, 10 minutes. Due Fri 07/27/2018 10: Is the gestational age (time between conception and birth) of a low birth-weight baby useful in predicting head circumference at birth? Twenty-five low birth-weight babies were studied at a Harvard teaching hospital; the investigators calculated the regression of head circumference (measured in centimeters) against gestational age (measured in weeks). The estimated regression line is head-circumference = 3.91 + 0.78 x gestational age What is the predicted head circumference for a baby whose gestational age is 25 weeks? D) 0) 0) Points possible: 10 This is attempt 1 of 2. Message instructor about this question License Submit

Explanation / Answer

Ans

head circumference = 3.91+0.78*gestational age

For 25 weeks = 3.91+0.78*25 = 23.41 cm

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