proof n-1 sample variance unbiased 3/6
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9:59
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@shubhamjigoyal Yes but we're only proving this for x and y independent.
wowtrax 3 weeks ago
But won't E(x + y) = E(x) + E(y) only be valid when x is independent of y? This is according to the proof you gave - f(x, y) = f(x) * f(y) if and only if x is independent of y.
shubhamjigoyal 1 month ago