Statistical Operations; Entering Statistical Data - HP 35s User Manual

Statistical Operations

The statistics menus in the HP 35s provide functions to statistically analyze a set of
one– or two–variable data(real numbers):
Mean, sample and population standard deviations.
Linear regression and linear estimation (
Weighted mean (x weighted by y).
Summation statistics: n, x, y, x

Entering Statistical Data

One– and two–variable statistical data are entered (or deleted) in similar fashion

using the (or
statistics in six statistics registers (-27 through -32), whose names are displayed in
the SUMS menu. (Press
Note

) key. Data values are accumulated as summation

Always clear the statistics registers before entering a new set of
statistical data (press
x ˆ
and
2 2
, y , and xy.
and see    
 
Statistical Operations
y ˆ
).
 
 ).
()).
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