How tall do you predict their son to be

Reference no: EM131167917

Suppose the correlation between the average height of parents and the height of their firstborn male child is 0.5. You are also told that:

¦ The average height of all parents is 66 inches.
¦ The standard deviation of the average height of parents is 4 inches.
¦ The average height of all male children is 70 inches.
¦ The standard deviation of the height of all male children is 4 inches.

If a mother and father are 73 and 80 inches tall, respectively, how tall do you predict their son to be? Explain why this is called "regression toward the mean."

Reference no: EM131167917

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