In the formula x̄ = A + \(\frac{\sum f_i u_i}{\sum f_i}\) × h, for finding the mean of grouped frequency distribution, ui =
A. (xi + A)/h
B. h(xi – A)
C. (xi – A)/h
D. (A – xi)/h
Answer:C
In the formula x̄ = A + \(\frac{\sum f_i u_i}{\sum f_i}\) × h, for finding the mean of grouped frequency distribution, ui =
A. (xi + A)/h B. h(xi – A) C. (xi – A)/h D. (A – xi)/h