Question

The daily rainfall during two April weeks was: 1, 0.5, 0.3, 0, 0 ,0, 1.2, 3, 0, 1.1, 0.7, 2, 1.3, 2 inches. What was the mean rainfall during the two weeks?

A. 0 in.


B. 1.3 in.


C. 0.85


D. 0.9 in.

Answer 1

Add the total rainfall and divide by the number of days.

1 + 0.5 + 0.3 + 0 + 0 +0 +1.2 + 3 + 0 + 1.1 + 0.7 + 2 + 1.3 + 2 = 13.1 total inches.

Mean = 13.1 inches / 14 days = 0.93 inches per day.

Rounded to nearest tenth = D. 0.9 in.