Question

Analysis of the data from 25 mothers indicates that an infant's birth weight (g), y, can be estimated by a mother's weight (kg), x, using the regression equation y = 31 x + 1501. If a mother's weight is 70 kg, the infant's birth weight can be estimated as

Answer 1

If a mother's weight is 70 kg, the infant's birth weight can be estimated as 3671g = 3.671kg.

Explanation:

We have that

`y = 31x + 1501`

In this proble, we have that:

`x = 70`

So

`y = 31*70 + 1501 = 3671`

If a mother's weight is 70 kg, the infant's birth weight can be estimated as 3671g = 3.671kg.