Core Mathematics - Using your calculator
Using your calculator
Median-median regression line on a graphics calculator
The equation of the three-median regression line can be found using your
graphing calculator. After having entered your data in the lists you then
use STAT and across to CALC and down to MED-MED. The display will look like
Now select ENTER and input the lists you want to work with (it will assume
list 1 and list 2 if you don't enter anything else. The display will show
as per the illustration on the left.
This means that the equation is y=x+3
NB: Image is from the TI-83 graphing calculator.
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