TS EAMCET · Maths · Statistics
Two distributions \(A\) and \(B\) have the same mean. If their coefficients of variation are 6 and 2 respectively and \(\sigma_{A^{\prime}} \sigma_B\) are their standard deviations, then
- A \(\sigma_A=3 \sigma_B\)
- B \(3 \sigma_A=\sigma_B\)
- C \(\sigma_A=2 \sigma_B\)
- D \(2 \sigma_A=\sigma_B\)
Answer & Solution
Correct Answer
(A) \(\sigma_A=3 \sigma_B\)
Step-by-step Solution
Detailed explanation
Let \(\bar{x}_A=\bar{x}_B=x\)…
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