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NIMCET 2019
Mathematics
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Question 1
Target (sec):
00:00
The mean of 5 observation is 5 and their variance is 12.4. If three of the observations are 1,2 and 6; then the mean deviation from the mean of the data is:
A.
2.5
B.
2.6
C.
2.8
D.
2.4
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