Symmetrical Distributions
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Four symmetrical distributions, labeled (a), (b), (c), and (d), are represented below by their histograms. Without performing any calculations, order the respective standards deviations σ_a, σ_b ,σ_c , and σ_d of the distributions.
A
X X
X X X X
X X X X
1 2 3 4 5 6 7 8 9 10 11 12 13 14
B
X X
X X
X X
X X X X
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
X X
X X X X
X X X X
1 2 3 4 5 6 7 8 9 10 11 12 13 14
D
X X
X X
X X
X X
X X
1 2 3 4 5 6 7 8 9 10 11 12 13 14.
https://brainmass.com/statistics/descriptive-statistics/standard-deviations-symmetrical-distributions-ordered-13689
Solution Preview
A
X X
X X X X
X X X X
1 2 3 4 5 6 7 8 9 10 11 12 13 14
B
X X
X X
X X
X X X X
1 2 3 4 5 6 7 8 9 10 11 12 ...
Solution Summary
The solution shows how standard deviations of the symmetrical distributions are ordered.
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