User's Manual

226 Statistics 2Var app
10.Find the mean sales
().
The mean sales, ,
is approximately
$1, 7 9 6 .
Press to
return to Numeric view.
Setup plot 11. Change the plotting range to ensure that all the data
points are plotted (and to select a different data-point
indicator, if you wish).
SP
(Setup)
Q
1
E
6
E Q
100
0
E
3200
E \
500
E
Plot the graph 12. Plot the graph.
P
Notice that the
regression curve (that
is, a curve to best fit
the data points) is
plotted by default.
y
y