write mean of grouped data
Answers
Answer:
Grouped data are data formed by aggregating individual observations of a variable into groups, so that a frequency distribution of these groups serves as a convenient means of summarizing or analyzing the data.
Question :-
✶ Write mean of grouped data ?
Answer :-
If we want to calculate the mean of grouped data , first , we have to determine the midpoint of each interval .These midpoints must then be multiplied (×) by the frequencies of the corresponding classes. Then the sum of the products divided (÷) by the total number of values will be the value of the mean.
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Mean if Group Data Formula :
What is a actually group data means ?
↦ Grouped data are data formed by aggregating not dividual (individual ) observations of a variable into groups, so that a frequency distribution of these groups serves as a convenient means of summarizing or analyzing the data.
- Grouped data is data given in intervals.