HP 10BII Owner's Manual page 20

Keys:
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20 Ata Glance...
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Description:
Clears statistics registers.
Enters first x,y pair.
Enters second x,y pair.
Enters third x,y pair.
Displays mean of x.
Displays mean of y.
Displays sample stan-
dard deviation of x.
Displays sample stan-
dard deviation of у
Displays y-intercept of
regression line (pre-
dicted y value for x = 0).
Displays slope of
regression line.
Displays л, number of
data points entered.
Displays xy, sum of the
products of x- and
J-values.