Economy, asked by hoodacruze, 5 months ago

Find the mean of the following data:
Marks
100-200
200-300
300-400
400-500
500-600
600-700
No. Of students
85
65
45
85
25
15

Answers

Answered by nvsk1909

1

Answer:

Mean = Sum of observation

---------------------------------

Number of observation

Mean = 85+65+45+85+25+15

--------------------------------

6

Mean = 320

------

6

.°. Mean = 53.33....

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