In the calculation of the arithmetic mean for grouped data,which value is used to represent all the values in a particular class?
A)The upper limit of the class
B)The lower limit of the class
C)The frequency of the class
D)The cumulative frequency preceding the class
E)The class midpoint

Question

Quizplus · Accepted Answer

The class midpoint is used to represent all the values in a particular class when calculating the arithmetic mean for grouped data. This is because the class midpoint is the value that is located at the center of the class interval and is therefore the most representative value of that class.

In the Calculation of the Arithmetic Mean for Grouped Data,which