WBCS.LIVE practice question

In a frequency distribution, the frequency of the observations 2, 4, 8, 7 and 5 is 5, 3, 2, 6 and 4 respectively. Find the arithmetic mean of this data.

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

Answer options

  1. 5
  2. 23
  3. 25
  4. 24

Correct answer and explanation

Correct answer: 5