ICSE Class 10 Answered
find the mean of the following data:
Marks:
less than 0
less than 10
less than 20
less than 30
less than 40
less than 50
No. of students
0
7
19
32
42
50
Asked by bdroy_2014 | 25 Feb, 2018, 20:58: PM
![begin mathsize 16px style table row Marks cell 0 minus 10 end cell cell 10 minus 20 end cell cell 20 minus 30 end cell cell 30 minus 40 end cell cell 40 minus 50 end cell row straight f 7 19 32 42 50 end table
space space space space space straight x space space space space space space space space space space space 5 space space space space space space space space space space 15 space space space space space space space space space space 25 space space space space space space space space space space 35 space space space space space space space space space space space 45
space space space space fx space space space space space space space space space space 35 space space space space space space space 285 space space space space space space space space space 800 space space space space space space space 1470 space space space space space 2250 space space space space space
Mean equals Σfx over Σf equals 4840 over 150 equals 32.27 end style](https://images.topperlearning.com/topper/tinymce/cache/ea7ae49a3db8c479d79f78da16ba32ec.png)
Answered by Rashmi Khot | 26 Feb, 2018, 10:17: AM
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