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What does Xm and fXm stand for in math pls helpp

Sagot :

Answer:

The formula is: n _ Where X = mean value xm = midpoint of each class or category f = frequency in each class or category Σ f xm = summation of the product of f xm.

Answer:

The formula is:

n _ Where X = mean value

xm = midpoint of each class or category

f = frequency in each class or category Σ

f xm = summation of the product of f xm.