Statistics Part 1

Section: Mathematics

Question : 80 of 100

Marks: +1, -0

The mean of 5 observations is 5 and their variance is 124. If three of the observations are 1, 2 and 6 ; then the mean deviation from the mean of the data is :

[Main 10 Apr 2016]

2.4
2.8
2.5
2.6
None of the above

Validate

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