frac f x-x N Is a formula used to calculate for - JAMB Economics 2017 Question
\(\frac{∑f(x-x̄)}{N}\)
Is a formula used to calculate for ____________
Is a formula used to calculate for ____________
A
variance
B
the quartile
C
standard deviation
D
mean deviation
correct option: d
where;
N = number of items in the distribution
X = is variable
x̄ = Arithmetic mean
∑ = sum of
N = number of items in the distribution
X = is variable
x̄ = Arithmetic mean
∑ = sum of
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