The means of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2 and 6, then the other two are [AMU 1994]

The means of five observations is 4 and their variance is 5.2. If thre

1.	The means of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2 and 6, then the other two are [AMU 1994]
A.	2 and 9
B.	3 and 8
C.	4 and 7
D.	5 and 6
Answer» D. 5 and 6

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The means of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2 and 6, then the other two are [AMU 1994]

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