\(\frac{∑f(x-x̄)}{N}\)
Is a formula used t...
\(\frac{∑f(x-x̄)}{N}\)
Is a formula used to calculate for ____________
Variance
The Quartile
Standard deviation
Mean deviation
Correct answer is D
where;
N = number of items in the distribution
X = is variable
x̄ = Arithmetic mean
∑ = sum of
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