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If the quartile deviation of a normal curve is 4.05 then it's mean deviation will be?
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If the quartile deviation of a normal curve is 4.05 then it's mean dev...


Calculating Mean Deviation from Quartile Deviation

  • Quartile deviation (QD) = 4.05

  • Mean deviation (MD) = ?


Explanation:

  • Quartile deviation (QD) is calculated as QD = (Q3 - Q1) / 2

  • Where Q3 is the third quartile and Q1 is the first quartile

  • Given that QD = 4.05, we can find that Q3 - Q1 = 2 * QD = 2 * 4.05 = 8.1

  • Mean deviation (MD) is calculated as MD = 0.7413 * QD

  • Therefore, MD = 0.7413 * 4.05 = 2.9987


Conclusion:

  • The mean deviation of the normal curve with a quartile deviation of 4.05 is approximately 2.9987


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If the quartile deviation of a normal curve is 4.05 then it's mean deviation will be?
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