]> Centrummaten (23/36) · Dr.Stat
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X _ = ∑ i = 1 n x i n

i = 1 x 1 = 8
i = 2 x 2 = 29
i = 3 x 3 = 45
i = 4 x 4 = 45
i = 5 x 5 = 68
n = 5 ∑ i = 1 5 x i n = 195

X _ = 195 5 = 39

De berekening wordt hier nog eens getoond.

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