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# Probabilistic and Statistical Techniques PowerPoint PPT Presentation

Probabilistic and Statistical Techniques. Ahmed Mohammed gazal 120090070. For the following Data : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Find Standard deviation ∑(X)^2 = 3795 (∑x)^2 = 64009 S = 6.5. 2) IQR IQR = Q3-Q1 Q1 = percentile 25% Q3 = percentile 75%

Probabilistic and Statistical Techniques

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Probabilistic and Statistical Techniques

Ahmed Mohammed gazal

120090070

• For the following Data :

• 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

• Find

• Standard deviation

• ∑(X)^2 = 3795

• (∑x)^2 = 64009

• S = 6.5

2) IQR

IQR = Q3-Q1

Q1 = percentile 25%

Q3 = percentile 75%

…………………………

Percentile 25%

i = (25/100) * 22 = 5.5 = 6 ….. Percentile 25% = 6

…………………………

Percentile 75%

i = (75/100)*22 = 16.5 = 17 …. Percentile 75% = 17

………………………..

IQR = 17-6 = 11