The mean of five observations is 4 and their
variance is 5.2. If three of these observations are.... VIDEO
The mean of five observations is 4 and their
\( \mathrm{P} \)
variance is 5.2. If three of these observations are 1,2 and 6 then the other two are
(1) 4
(2) 5
(3) 6
(4) 7
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