The mean of five observations is 4 and their variance is 5.2. If three of these observations are 2,4 and 6, then the product of other two observations are 
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Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(7)
Let the other two observations be ' a ' and ' b '
From the options
It is clear that the two observations are 1 and 7.
Hence, the product of two observations 
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