Wednesday, October 2, 2013

Histograms

Histograms are used to display continuous numeric data.
Look at the examples below (click the picture to enlarge it). 

The bars must touch and the data must be continuous - do not confuse with bar charts.

What can you say about the heights of 15 year old girls and boys?


Heights


Female: Basic Statistical Measures
"Averages"
Variability
 Mean
162.38
 Range
119.00
 Median
163.15
 Interquartile Range
11.00
 Mode
160.00

Male: Basic Statistical Measures
"Averages"
Variability
 Mean
169.46
 Range
124.00
 Median
171.00
 Interquartile Range
18.00
 Mode         160.00


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