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प्रश्न
Find the mean of the following set of numbers:
11, 14, 23, 26, 10, 12, 18 and 6
उत्तर
`barx = (x_1 + x_2 + ...... + x_n)/n`
Here n = 8
∴ `barx = (11 + 14 + 23 + 26 + 10 + 12 + 18 + 6)/8`
= `120/8`
= 15
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