Consider the data sets; X = {−6, 2, −2, 6}, Y = {4, 8, 2, 6} and Z = {103, 100, 102, 101}. Let S x , S y & S z be the standard deviations of the…
CA Foundation · Quantitative Aptitude · MTP · January 2026
Consider the data sets; X = {−6, 2, −2, 6}, Y = {4, 8, 2, 6} and Z = {103, 100, 102, 101}. Let S x , S y & S z be the standard deviations of the sets X, Y and Z respectively. We have the relations,
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. S z < S y < S x
Topics: Part-A: Business Mathematics, Part-C: Statistics
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