Suppose that the average weight of a 12-month-old baby is 23 pounds and 80% of 12-month-old babies weigh between 21 and 25 pounds. If the average weight of a 24-month-old baby is 33 pounds, between what weights should you expect 80% of 24-month-old babies to fall?
A) between 32 and 34 pounds
B) between 31 and 35 pounds
C) between 30 and 36 pounds
D) The answer cannot be determined from the information given in this question.

Question

Quizplus · Accepted Answer

As children get older, they become more variable in their growth patterns. Therefore the range of weights of 80% of the children will be wider at age 24 months than at age 12 months.

Suppose That the Average Weight of a 12-Month-Old Baby Is