HP 32SII Statistical Operations, Entering Statistical Data, Statistical Operations 11–1

11

Statistical Operations

The statistics menus in the HP 32SII provide functions to statistically analyze a set of one– or two–variable data:

Mean, sample and population standard deviations.

Linear regression and linear estimation ( xˆ and yˆ ).

Weighted mean (x weighted by y).

A Summation statistics: n, Σx, Σy, Σx2, Σy2, and Σxy.

L.R.

,

s , σ

SUMS

x

y

x y r m b

sx

sy σx

σy

w

n x y x2 y2 xy

x

y

x

Entering Statistical Data

One– and two–variable statistical data are entered (or deleted) in similar fashion using the 6(or z4) key. Data values are accumulated as summation statistics in six statistic's registers (28 through 33), whose names are displayed ire the SUMS menu. (Press {5and see Qº¸º¸º¸.

Note	Always clear the statistics registers before entering a new set of
	statistical data (press zb{Σ} ).

Statistical Operations 11–1

File name 32sii-Manual-E-0424
Printed Date : 2003/4/24	Size : 17.7 x 25.2 cm