83, by pressing STAT to obtain the following window:
Press the right arrow to highlight CALC and select option
4: LinReg(ax + b).
Press ENTER or 4:
With the data in L1 as the independent variable and the data in L2 as the
dependent variable, press ENTER to obtain the line of best fit.
The TI-83 does not
automatically provide the user with the correlation coefficient. If you
desire this value, you must perform the following steps.
Press the CATALOG option (this is a 2
nd
function above 0 at the bottom of the
keyboard)
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