HW#2 stats - 33. 2. A. = Median==21170 B. ====22293 3....

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Homework 2 Jia Shi 1. A. = Median=26 B. i= ( Since i is not an integer, the 10 th percentile is the data value in the 2rd position, or 18. i= ( Since i is not an integer, the 25 th percentile is the data value in the 4th position, or 22. i= ( Since i is not an integer, the 50 th percentile is the data value in the 8th position, or 26. i= ( Since i is not an integer, the 75 th percentile is the data value in the 12th position, or 31. i= ( Since i is not an integer, the 90 th percentile is the data value in the 14th position, or
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Unformatted text preview: 33. 2. A. = Median==21170 B. ====22293 3. Range =largest value-smallest value=36-22=14 Interquartile range: i= ( Since i is not an integer, the 25 th percentile is the data value in the 3rd position, or 25. i= ( Since i is not an integer, the 75 th percentile is the data value in the 8th position, or 32. S0, Interquartile range= Q3-Q1=32-25=7 Variance = Stand Deviation s==4.35 Chapter 3: 25. = S=4 15: = -1.25 20: = 1.25 12: = -0.75 17: = 0.5 16: = 0.25 29. s=1.2...
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This note was uploaded on 01/25/2012 for the course AS 195.605 taught by Professor G. during the Fall '11 term at Johns Hopkins.

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HW#2 stats - 33. 2. A. = Median==21170 B. ====22293 3....

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