Question

An airplane's altitude changed -378 feet over 77 minutes. What was the mean change of altitude in feet per minute?

Answer 1

-4.91 feet

Explanation:

Mean is a measure of central tendency. It is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number

Mean = Total change in altitude / total time

378 / 77 = 4.91