Transcript Lecture 3

UNR, MATH/STAT 352, Spring 2007
Measurement
Measurement
UNR, MATH/STAT 352, Spring 2007
Measurement
Measurement
UNR, MATH/STAT 352, Spring 2007
UNR, MATH/STAT 352, Spring 2007
N=76, Sample mean = 6.66, Median = 7
Sample St. Dev. = 3.516, Q1=3, Q3=10
IQR=Q3-Q1=7
UNR, MATH/STAT 352, Spring 2007
N=76, Sample mean = 1.536, Median = 0.65
Sample St. Dev. = 5.892, Q1=0.01, Q3=0.95
IQR=Q3-Q1=0.94
UNR, MATH/STAT 352, Spring 2007
N=500, Sample mean = -0.02, Median = 0.03
Sample St. Dev. = 1.02, Q1=-0.64, Q3=0.67
IQR=Q3-Q1=1.31
UNR, MATH/STAT 352, Spring 2007
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
UNR, MATH/STAT 352, Spring 2007
John Wilder Tukey
(June 16, 1915 - July 26, 2000)
UNR, MATH/STAT 352, Spring 2007
UNR, MATH/STAT 352, Spring 2007
Maximal data point within 1.5 IQR of Q3
3-rd quartile, Q3
median
1-st quartile, Q1
Mimimal data point within 1.5 IQR of Q1
Outliers
UNR, MATH/STAT 352, Spring 2007
UNR, MATH/STAT 352, Spring 2007
UNR, MATH/STAT 352, Spring 2007