While computing mean of grouped data, we assume that the frequencies are
A. Evenly distributed over all the class
B. Centered at the class marks of the class
C. Centered the upper limits of the class
D. Centered the lower limits of the class
Answer:B
While computing mean of grouped data, we assume that the frequencies are
A. Evenly distributed over all the class B. Centered at the class marks of the class C. Centered the upper limits of the class D. Centered the lower limits of the class