find mean by any method where Mark's are 10-20 , 20-30, 30-40, 40-50 , 50-60 and no. of students are 2,4,7,6,1
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Answer:
Hence the mean is 4
Step-by-step explanation:
We know there are total no. Of students is 5...
2+4+7+6+1=20
Sum of no. Of students/No. Of students
20/5=4
Hence 4 is the correct answer...
Please mark my answer as brainlist
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