Multiple choice

If the standard deviation of the spot speed of vehicles in a highway is 8.8 kmph and the mean speed of the vehicles is 33 kmph, the coefficient of variation in speed is

  1. 0.1517

  2. 0.1867

  3. 0.2666

  4. 0.3646

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The coefficient of variation is calculated as (standard deviation / mean). Here, it is 8.8 / 33 = 0.2666.