WBCS.LIVE practice question

What is the mean deviation of eight observations? 6, 7, 10, 12, 13, 4, 8, 12

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 2.75
  2. 2.25
  3. 2
  4. 2.5

Correct answer and explanation

Correct answer: 2.75