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The algebraic sum of the derivations of a frequency distribution from its mean is
i) Always positive
ii) Always negative
iii) Zero
iv) A non zero number

  • Statistics -

    Proofread your questions before you post them. Do you mean "deviations"?

    Since the mean functions as a fulcrum (balance point), the values on the negative side = the values on the positive side.

    What does that tell you?

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