CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

For grouped data, formula for arithmetic mean by direct method =


A
sfX / sf
loader
B
sd / N
loader
C
sX / N
loader
D
None of the above
loader

Solution

The correct option is A sfX / sf
Arithmetic mean refers to the average amount in a given group of data. There are many ways to calculate arithmetic mean for grouped data like direct method where all the data are multiplied with their respective frequencies and then added up which are then divided by the summation of the frequencies or number of figures in the data in order to ascertain the mean. The formula is sfX/ sf where sfd is the summation of frequency multiplied by X for all figures and sf is the frequency or the number of element in the given data. 

Mathematics

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image