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Analysis of the data from 25 mothers indicates that an infants birth weight in grams y, can be estimated by a mothers weight in kilograms,

Analysis of the data from 25 mothers indicates that an infant’s birth weight in grams y, can be estimated by a mother’s weight in kilograms, x, using the regression equation: y = 31x + 1501.

For every ------------ kg increase in a mother’ weight, the infant’s birth weight increases by ------------ g.

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