6.
The information of profits (in lakh ) of 50 firms is given below. Find mean profit.
Profit (Lakh )
0-7 7-14 14-21 21-28 28-35
No. of firms
4
9
18
12
7
Answers
Answered by
3
Answer:
938/50 = 18.76
Step-by-step explanation:
First calculate class marks of each frequency. Then use the formula= sigma (fi*xi/fi)
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