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The lower and upper quartile of standard normal variation are respectively ?
A. µ+0.6745σ and µ-0.6745σ
B. -0.6745 and 0.6745Correct Answer
C. -0.7979 and 0.7979
D. -0.7979σ and 0.7979σ
Correct Option: B. -0.6745 and 0.6745
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