There is an approximate linear relationship between the height of females and th

Question

There is an approximate linear relationship between the height of females and their age (from 5 to 18 years) described by: height = 50.3 + 6.01(age) where height is measured in cm and age in years. Which of the following is NOT CORRECT? a. The average height of children when they are 5 years old is about 50% of the average height when they are 18 years old. b. My niece is about 8 years old and is about 115 cm tall. She is taller than average. c. The estimated intercept is 50.3 cm which implies that children reach this height when they are 50.3/6.01=8.4 years old. d. The estimated slope is 6.01 which implies that children increase by about 6 cm for each year they grow older. e. The estimated height of a child who is 10 years old is about 110 cm.

Explanation / Answer

c. The estimated intercept is 50.3 cm which implies that children reach this height when they are 50.3/6.01=8.4 years old. ----> FALSE

Children reach the height of 50.3 cm when they reach at 6.01 years of age (given)

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