📖 generic · CBSE Class 11 English medium · MATHEMATICS · Page 372poem

from the mean x . Can we thus say that the sum ∑

Chapter 3: 9 · MATHEMATICS

from the mean x . Can we thus say that the sum ∑ ) is a reasonable indicator of the degree of dispersion or scatter? Let us take the set A of six observations , , , , , . The mean of the observations is x = . The sum of squares of deviations from x for this set is

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