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© 2007 TEXAS INSTRUMENTS INCORPORATED TI-34 MultiView: A Guide For Teachers 109
You can predict that 18 pairs of
Brand A will be sold in June if the
total sales are 32 pairs.
Extra: Graph the two data points
(58, 35) and (47, 28) on graph paper.
Graph y' = ax' + b. (Find a and b that
you calculated for this problem in the
StatVars menu.) Next plot (32, 18).
You should see that (32, 18) is very
close to a point on your line which
predicted the sales!
%s
%t 3 $
(scroll down
to y')
<
32 E <
Viewing the statistics (Continued)
%t