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Which of the following equations is used to estimate the average term in the deterministic part of load?
1N∑ddσ-β∑σσ=1Nσ=1N
1N∑ddσ-β∑σσ=1N-1σ=1N-1
1N∑ddσ+β∑σσ=1Nσ=1N
None of above