10. Calculate arithmetic mean:
সমান্তৰ মাধ্য নির্ণয় কৰা ?
30-40
40-50
Class Interval
0. 10
20-30
10.20
শ্রেণী অন্তৰাল
Frequency
5
5
12
10
৪
বাৰংবাৰতা
Answers
Answered by
5
Answer:
plz ask in english..
i cant get this lng
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