Math, asked by prakharj744, 7 months ago

15. Find the mean marks per student, using assumed-mean method:
Marks
0-10
10-20
20-30
30-40
40-50
50-60
Number of
students
12
18
27
20
17
6

Answers

Answered by danishjibran

8

Hope this answers the question

Attachments:

Answered by ansari6388

3

mean =25+300/100= 28 frequency=

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