Suppose that Bob is a typical 3-year-old child. By age 6, you should expect that his height will have increased by about how many inches?
A) about 4 inches
B) about 6 inches
C) about 9 inches
D) about12 inches

Question

Quizplus · Accepted Answer

On average, children grow about 2 to 3 inches per year between the ages of 3 and 6. Therefore, over a span of 3 years, a typical child like Bob would be expected to grow about 6 to 9 inches, with 9 inches being a reasonable estimate.

Suppose That Bob Is a Typical 3-Year-Old Child