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Statistical Operations 11–13
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
If not enough calculator memory is available to hold the statistics registers
when you first press
6
(or
4
), the calculator displays
&
"
.
You will rived to clear variables, equations, or programs (or a combination)
to make room for the statistics registers before you can enter statistical data.
Refer to "Managing Calculator Memory" in appendix B.
Access to the Statistics Registers
The statistics register assignments in the HP 32SII are shown in the following
table.
Statistics Registers
Register Number Description
n 28 Number of accumulated data pairs.
Σ
x 29 Sum of accumulated x–values.
Σ
y 30 Sum of accumulated y–values.
Σ
x
2
31 Sum of squares of accumulated x–values.
Σ
y
2
32 Sum of squares of accumulated y–values.
Σ
xy 33 Sum of products of accumulated x–and
y–values.
You can load a statistics register with a summation by storing the numb r (28
through 33) of the register you want in i (number
H
and then storing
the summation (value
H
. Similarly, you can press
{
to
view a register value–the display is labeled with the register name. The SUMS
menu contains functions for recalling the register values. See "Indirectly
Addressing Variables and Labels" in chapter 13 for more information.