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.