HP 39gII User Manual page 102

92
dependent column. Press
view. The tables below describe the statistics displayed in
each view.
Here are the statistics computed when you press
Statistic
n
r
2
R
sCOV
σ
COV
Σ
XY
Here are the statistics displayed when you press
Statistic
x
Σ
X
2
Σ
X
sX
σ
X
serrX
to return to the default
Definition
The number of data points.
Correlation coefficient of the
independent and dependent data
columns, based only on the linear
fit (regardless o the fit type chosen).
Returns a value from -1 to 1, where
1 and -1 indicate best fits.
The coefficient of determination,
which is the square of the
correlation coefficient. The value of
this statistics is dependent on the Fit
type chosen.
Sample covariance of independent
and dependent data columns.
Population covariance of
independent and dependent data
columns.
Sum of xy products.
Definition
Mean of x- (independent) values.
Sum of x-values.
Sum of x -values.
2
The sample standard deviation of
the independent column.
The population standard deviation
of the independent column.
the standard error of the
independent column
.
.
Statistics 2Var app