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Questions › CUET-PG › CUET-PG 2018 › Q28
4 marks, −1Statistics › Descriptive statistics and dispersion › Measures of dispersionModerateabout 1 min

CUET-PG 2018 Question 28: Descriptive statistics and dispersion

Suppose an nnn-value series x1,x2,…,xnx_1,x_2,\dots,x_nx1​,x2​,…,xn​ has standard deviation σ\sigmaσ. The standard deviation of x1+k,x2+k,…,xn+kx_1+k, x_2+k,\dots,x_n+kx1​+k,x2​+k,…,xn​+k would be

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Suppose an n -value series x₁,x₂,…,xₙ has standard deviation σ. The standard deviation of x₁+k, x₂+k,…,xₙ+k would be (A) σ (B) σ+k (C) σ-k (D) σ k

Also written as: Suppose an n -value series x_1,x_2,...,x_n has standard deviation sigma. The standard deviation of x_1+k, x_2+k,...,x_n+k would be

Descriptive statistics and dispersion has come up 117 times in 6 exams since 2004.

What this question tests

This question is on Measures of dispersion, part of Descriptive statistics and dispersion in Statistics.

How spread out data are: range, variance, standard deviation and relative measures.

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