Statistics aplet 10-3
Choose fit and
data columns
4. Select a fit in the Symbolic setup view.
SETUP-SYMB
Select Linear
You can create up to five explorations of two-variable
data, named S1 to S5. In this example, we will create
just one: S1.
5. Specify the columns that hold the data you want to
analyze.
You could have entered
your data into columns
other than C1 and C2.
Explore statistics 6. Find the mean advertising time (MEANX) and the
mean sales (MEANY).
MEANX is 3.3 minutes
and MEANY is about
$1796.
7. Scroll down to display the value for the correlation
coefficient (CORR). The CORR value indicates how
well the linear model fits the data.
9 times
The value is .8995.
HP 39gs English.book Page 3 Wednesday, December 7, 2005 11:24 PM
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