MATH 352 Lecture3

MATH 352 Lecture3 - 0.67 IQR=Q3-Q1= 1.31 N= 37 Sample mean...

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Measurement x 0 is the central value, characteristic value spread, most of the observed values
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Measurement Measurement 0 1 -1 0 1 -1
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Measurement Measurement 0 1 -1 0 1 -1
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Data from “Smart Student” Questionnaire
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Mean = 20 Outlier Median = 14
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N= 65 , Sample mean =  50.02 , Median =  50 Sample St. Dev. =  5.98 , Q1= 45 , Q3= 55 IQR=Q3-Q1= 10
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N= 500 , Sample mean =  -0.02 , Median =  0.03 Sample St. Dev. =  1.02 , Q1= -0.64 , Q3=
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Unformatted text preview: 0.67 IQR=Q3-Q1= 1.31 N= 37 , Sample mean = 91.62 , Median = 92.0 Sample St. Dev. = 6.54 , Q1= 87.5 , Q3= 96.0 IQR=Q3-Q1= 8.5 John Wilder Tukey (June 16, 1915 - July 26, 2000) 3-rd quartile, Q3 1-st quartile, Q1 Maximal data point within 1.5 IQR of Q3 Mimimal data point within 1.5 IQR of Q1 Outliers median...
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MATH 352 Lecture3 - 0.67 IQR=Q3-Q1= 1.31 N= 37 Sample mean...

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