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प्रश्न
Find the mean of squares of first five whole numbers.
बेरीज
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उत्तर
First five whole numbers are 0, 1, 2, 3, 4
Then square the whole prime numbers
= (0)2, (1)2, (2)2, (3)2, (4)2
= 0, 1, 4, 9, 16
∴ Mean = `(0+1+4+9+16)/5` .............(Here n = 5)
= `30/5`
= 6
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