The variance of the first ten multiples of 3 is

The variance of the first ten multiples of 3 is
  1. $64.25$
  2. $54.25$
  3. $70.75$
  4. $74.25$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 1)

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