Mean Deviation About Mean Data (Jee Mains) | ExamDuo
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Dispersion and Variance
Medium
Mean Deviation About Mean Data
Find the mean deviation about the mean for the following data :
Marks Obtained
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Number of students
2
3
8
14
8
3
2
SELECT ONE OPTION
A
13.6
B
14.6
C
16.6
D
12.6
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