Marks no.of student
10-20 20
20-30 25
30-40 15
40-50 10
50-60 20
60-70 10
*find mean*
Answers
Answered by
4
Hi...HOPE IT HELPS...!!
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Ronak8193:
35×15=525
oh sorry...
Then ans must be 36.5
Answered by
2
Class. class mark frequency
10-20. 15. 20
20-30. 25. 25
30-40. 35. 15
40-50. 45. 10
50-60. 55. 20
60-70. 65. 10
mean bar= total of class mark / total of frequency
= 240/ 100
= 12/5
10-20. 15. 20
20-30. 25. 25
30-40. 35. 15
40-50. 45. 10
50-60. 55. 20
60-70. 65. 10
mean bar= total of class mark / total of frequency
= 240/ 100
= 12/5
thanks
how can it be 2.4
matlab class ke average marks sirf 2.4??
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