Two-variable computed statistics – HP 38g Graphing Calculator User Manual
Page 124
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Two-Variable Computed Statistics
MEANX
Mean of
X-
(independent) values.
2x
Sum of x-values.
SX2
Sum of ^-values.
MEANY
Mean ofy- (dependent) values.
S
y
Sum ofy-values.
XY2
Sum of yWalues.
SXY
Sum of each
x*y.
CORK
Correlation coefficient of the
independent and dependent data
columns
for
a
linear fit only
(regardless of the Fit chosen). Returns
a value from 0 to 1, where 1 is the best
fit.
COV
Sample covariance of independent
and dependent data columns.
5-18 Statistics
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