HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 107
Choose fit and, data columns, Explore statistics
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hp40g+.book Page 3 Friday, December 9, 2005 1:03 AM 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. Statistics aplet 10-3
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 |
 |
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.
hp40g+.book
Page 3
Friday, December 9, 2005
1:03 AM