- #1
Physics Time
- 11
- 0
The thing I don't understand is how does finding out the median help you drawing in the horizontal and vertical lines. How do you know if it's going to pass through a few of the data points? Like in the example on that website it has a moderate negative correlation and the median is the 8'th score. How did they put the vertical+horizontal line by knowing the median? I see 6 data points in the B quadrant, 5 in the D quadrant, 1 in both A and C. How did they know all this by just the 8'th score? Thanks.
[PLAIN]http://coburgmaths09.globalteacher.org.au/files/2009/05/qcorrelation1.png
[PLAIN]http://coburgmaths09.globalteacher.org.au/files/2009/05/qcorrelation2.png
[PLAIN]http://coburgmaths09.globalteacher.org.au/files/2009/05/qcorrelation-eg-1.png
[PLAIN]http://coburgmaths09.globalteacher.org.au/files/2009/05/qcorrelation-eg-2.png[/quote]
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