If you were asked to describe the pattern of the average age of menarche onset in Europe between 1840 and today, you should say,
A)"The average age of onset has dropped about 4 years."
B)"The average age of onset has dropped about 2 years."
C)"The average age of onset has increased about 2 years."
D)"The average age of onset has increased about 4 years."

Question

Quizplus · Accepted Answer

The average age of menarche onset in Europe has decreased by about 4 years since 1840 due to improvements in nutrition, health, and living conditions.

If You Were Asked to Describe the Pattern of the Average