Imagine that one of your good friends comes from a tall family. You measure the height of your friend and her two brothers. What would you expect of the average height of your friend and her siblings?
A)The average height of your friend and her siblings will be considerably higher than the average height of her parents.
B)The average height of your friend and her siblings will be considerably lower than the average height of her parents.
C)The average height of your friend and her siblings will be lower than the mean height of the population as a whole.
D)The average height of your friend and her siblings will be higher than the mean height of the population as a whole.
E)The average height of your friend and her siblings will be higher than the mean height of the population as a whole, but will be lower than the average height of their parents.

Question

Quizplus · Accepted Answer

Due to regression towards the mean, the children's average height is likely to be closer to the population mean than their parents', but still above the population mean due to the tall family background.

Imagine That One of Your Good Friends Comes from a Tall