Multiple choice

Mean deviation of 5 observations from their mean 3 is 1.2, then coefficient of mean deviation is

  1. 0.24

  2. 0.4

  3. 2.5

  4. None of these

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

Coefficient of mean deviation = (Mean Deviation) / (Mean). Here, 1.2 / 3 = 0.4.

AI explanation

The coefficient of mean deviation is defined as the mean deviation divided by the mean. Substituting the given values into this formula gives 1.2 divided by 3. Performing this division results in 0.4.