For a given frequency distribution, ∑fidi = -50, ∑fi = 200 and A = 62.5. Then find mean​

Question

For a given frequency distribution, ∑fidi = -50, ∑fi = 200 and A = 62.5. Then find mean​

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Alaia 2 months 2021-07-27T23:48:38+00:00 1 Answers 0 views 0

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    2021-07-27T23:50:22+00:00

    Answer:

    the mean = 62.75

    Step-by-step explanation:

    ∑fidi = -50,

    ∑fi = 200 and

    A = 62.5.

    Then mean= A + ∑fi /∑fidi

    = 62.5 + 50/200

    = 62.5 + 1/4

    = 62.5+ 0.25

    = 62.75

    the mean = 62.75

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