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11–12 Statistical Operations
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Press {
º
}, {
¸
}, and {
º¸
} to recall the sums of the squares and the sum
of the products of the x and y — values that are of interest when
performing other statistical calculations in addition to those provided by
the calculator.
If you've entered statistical data, you can see the contents of the statistics
registers. Press
z
X
{
#
}, then use
z
and
z
to view
the statistics registers.
Example:
Viewing the Statistics Registers.
Use
6
to store data pairs (1,2) and (3,4) in the statistics registers. Then
view the stored statistical values.
Keys: Display: Description:
z
b
{
´
}
Clears the statistics registers.
2
1
6
)
Stores the first data pair (1,2).
4
3
6
)
Stores the second data pair (3,4).
z
X
{
#
}
´º¸/)
Displays VAR catalog and views
Σ
xy register.
z
´¸
/)
Views
Σ
y
2
register.
z
´º
/)
Views
Σ
x
2
register.
z
´¸/)
Views
Σ
y register.
z
´º/)
Views
Σ
x register.
z
Q/)
Views n register.
2.0000
Leaves VAR, catalog.
The Statistics Registers in Calculator Memory
The memory space (48 bytes) for the statistics registers is automatically
allocated (if it doesn't already exist) when you press
6
or
4
. The
registers are deleted and the memory deallocated when you execute
z
b
{
´
}.