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Statistics 2Var app 223
5. Select a fit:
From the
Type 1
field select a fit. In
this example,
select Linear.
6. If you want to
choose a color for
the graph of the
data in Plot view,
see “Choose a color for plots” on page 85.
7. If you have more than one analysis defined in
Symbolic view, deselect any analysis you are not
currently interested in.
Explore statistics 8. Find the correlation, r, between advertising time and
sales:
M
The correlation is
r=0.8995…
9. Find the mean
advertising time
().
The mean
advertising time,
, is 3.33333…
minutes.
x
x