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