Question

A student measures the speed of a rolling ball three times. She adds the measurements and divides by 3. What quantity did the student calculate?

Answer 1

they calculated the mean value

Answer 2

Answer:

average speed

Explanation:

Data collected for speed = 3 times

Say the three speeds are v1, v2 and v3

Now (v1 + v2 + v3) / 3

It gives the average speed.