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Enter the data into the NUM view and then
switch to the SYMB view. Make sure that S1
(data set 1) is set to C1 and C2, ed, and
that the fit is linear. If not, the fit can be
changed in the SYMB SETUP view.
Now change to PLOT SETUP view and set the
axes to be as shown right.
From the NUM view, press the key and you will obtain the results listed
in the two screens shown below.
Calculator Tip
Make sure that your data set is defined and ed in the
SYMB SETUP view before you try to obtain these results.
Results are only given for data sets that are defined and
ed.
Showing the line of best fit
If you now press the PLOT key you will see the
graph shown right. If there is no line of best fit
on yours, press the key to get the list of
programmable functions along the bottom of
the screen and then press the key.
As soon as the line of best fit has been obtained, you can switch back to the
SYMB view to get its equation. This equation is only calculated when called
for by pressing the key.
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