AP ICET 2019 Shift 1 Paper

Question : 144 of 200

Marks: +1, -0

The standard deviation of 6, 7, 8, 9, 10 is

Solution:

The given observations are in A.P with common difference 1 and n = 5

∴\S.\D(σ)={|c.d|}√{{n^2-1}/12}

=√{{5^2-1}/12}=√2

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