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