By hand:
1 2 3 4 5 6 7 8 9
median=_____

1 2 3 4 5 6 7 8 9 10
median=_____  Is it a datum?:_____
              Median and mean can be fictitious numbers not actually in the data.

***********************************************************
Triola data
Chicago commutes
60 15 35 30 15 45 10 15 15 30 12 30 30 45 30 20 20 15 25 45 60 15 28 30 30 
60 30 45 30 12 45 20 10 15 45 45 35 60 20 20 20 30 4 80 45 30 60 45 25 30

freq dist, histogram, stats ***

n=___
mean=_____      median=_____     mode(s)=_________  occur(s) ____ times   
SD s=______

Sketch the boxplot and annotate it with the 5 numbers and IQR:





Outliers (by the <,> 1.5*IQR method):______________________

2*s=_______  mean-2s=______  mean+2s=______
Which datums are "statistically significant"___________________
 i.e. not within 2 SD of the mean == More than 2 SD from the mean.
 (Look in the Sorted Data and the Freq.Distr. table)

Looking at the sorted data and the frequency distribution table,
does the data appear to be measured or self-reported, rounded, averaged:
_______________________

Sketch the histogram starting at 0 of class width of 10 :
Annotate each class's bar with its frequency.    # of classes:____