If in a classs of 20 students,
5 students have scored 76 marks,
7 students have scored 77 marks,
8 students have scored 78 marks,
Then compute the mean of the class.
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1
Answer:
চূগচিদিফফফ্চচফ্ক্চগগ্ফিফিফফফফফফফফফফফফফ
Answered by
2
Answer:
answer is 77.15
Step-by-step explanation:
5×76=380
7×77=539
8×78=624
________
add all 1543÷20=77.15
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