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

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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
).

).
()).
12
12-1

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