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TI-83 Plus Statistics 364
•
Plot the data and trace to determine the x-distance between the
beginning and end of N complete periods, or cycles. Then divide the
total distance by N.
After your first attempt to use
SinReg
and the default value for
iterations
to
fit the data, you may find the fit to be approximately correct, but not
optimal. For an optimal fit, execute
SinReg 16,
Xlistname
,
Ylistname
,2
p
/
b
where
b
is the value obtained from the previous
SinReg
execution.