Number of data pairs (n) is
Average low temperature.
Average high temperature.
(4) Standard deviation.
(a) Pressing E computes the standard deviation (a
around the mean) of accumulated data.
(b) When El El is pressed:
The contents of stack registers are lifted just as
measure of dispersion
they are when pressing
The standard deviation of x values (sx) is calculated using data
accumulated in registers R.2 (2), R.1 ( ~ ), and R.O (n). The result appears in
The standard deviation of y values (s.,) is calculated using data accumu-
lated in registers R.4 (y2), R.3 (y), and R.0
To determine the standard devi
79, 94, 68, 86, 82, 78, 83, and 89, press
f CLEAR ALL
(n). The result appears in Y-
ation of the following test scores:
Clear statistical registers
and Y-register for new,