Calculate the average daily income (in Rs) of the following data about men working in a company.
Daily <100 <200 <300 <400 <500
Income(in Rs)
No. of men 12 28 34 41 50
Answers
Answered by
95
Hey the answer is attached in this picture.
The mean is Rs 220
The sum is done using step deviation method.
The mean is Rs 220
The sum is done using step deviation method.
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Answered by
23
Answer:
CLASS CLASS MARK(xi) fi Ui fiui
0-100 50 12 -2 -24
100-200 150 16 -1 -16
200-300 250 6 0 0
300-400 350 7 1 7
400-500 450 9 2 18
total 50 -15
mean=A+∑fiui/ ∑fi ×ht
= 250+(-15)/50 ×100
= 250-30
mean = 220
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