formula of mean of grouped data and explain each term
Answers
Answered by
1
mean =sum of the given observation/number of the given observation
i.e., let the frequency of n obsevation be x1,x2,x3........xn be f1,f2,f3.....fn respectively
Then we say that
mean=(f1*x1+f2*x2+.....fn*xn)/(f1+f2....+fn)=sigma(fi*xi)/sigma(fi)
where, sigme called the summation.
i.e., let the frequency of n obsevation be x1,x2,x3........xn be f1,f2,f3.....fn respectively
Then we say that
mean=(f1*x1+f2*x2+.....fn*xn)/(f1+f2....+fn)=sigma(fi*xi)/sigma(fi)
where, sigme called the summation.
Similar questions