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Miscellaneous·2019·Easy

The mean of 5 observations is 4.4 and variance is 8.24. If three of the five observations are 1, 2 and 6, then what are the other two observations?

The mean of 5 observations is 4.4 and variance is 8.24. If three of the five observations are 1, 2 and 6, then what are the other two observations?

Options

  1. a.

    9, 16

  2. b.

    9, 4

    Correct answer
  3. c.

    81, 16

  4. d.

    81, 4

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