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