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Statistical Operations
The statistics menus in the HP 33s provide functions to statistically analyze a set of
one– or two–variable data:
Mean, sample and population standard deviations.
Linear regression and linear estimation (
Weighted mean (x weighted by y).
Summation statistics: n, Σx, Σy, Σx
Entering Statistical Data
One– and two–variable statistical data are entered (or deleted) in similar fashion
/
using the
statistics in six statistic's registers (28 through 33), whose names are displayed in
the SUMS menu. (Press
Note
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
¹ -
(or
) key. Data values are accumulated as summation
º .
and see
Always clear the statistics registers before entering a new set of
¹ ¡
statistical data (press
Size : 13.7 x 21.2 cm
y ˆ
x ˆ
and
).
2
2
, Σy
, and Σxy.
{ } ).
Statistical Operations
Page : 386
11
).
11–1
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