HP HP-32S - Statistical Operations; Entering Statistical Data

^^W^W^^E
•V,?i
11
Statistical Operations
The STAT (statistics) menu providesfunctions to statistically analyzea
set of one- or two-variable data.
• One-variable data: mean and standard deviation.
• Two-variable data (x,y): linear regression and linear estimation (x
and y).
• Weighted mean (x weighted by y).
• Summation statistics: n, 2x, Sy, 2x2, Sy2, and Sxy.
I I I I I I
n x y x2 y2 xy
T
«.y
STAT
r
sx
xw
1
sy
L.R.
n n
x y r m b
Entering Statistical Data (I s+N lUfs17!)
One- and two-variable statistical data are entered in similar fashion.
The data values are accumulated as summation statistics in six statis
tics registers, whose values are displayed under Hi stat I {2}.
11: Statistical Operations 153