user manual
Statistical Operations 11–3
1. Reenter the incorrect data, but instead of pressing
, press
{
. This
deletes the value(s) and decrements
n.
2. Enter the correct value(s) using
.
If the incorrect values were the ones just entered, press
{
to retrieve
them, then press
{
to delete them. (The incorrect y–value was still in the
Y–register, and its x–value was saved in the LAST X register.)
Example:
Key in the x, y–values on the left, then make the corrections shown on the right:
Initial x, y Corrected x, y
20, 4 20, 5
400, 6 40, 6
Keys: Display: Description:
{c
{
´
}
Clears existing statistical
data.
4
20
)
)
Enters the first new data
pair.
6
400
)
)
Display shows n, the
number of data pairs you
entered.
{
)
)
Brings back last x–value.
Last y is still in Y–register.
{
)
)
Deletes the last data pair.
6
40
)
)
Reenters the last data pair.
4
20
{
)
)
Deletes the first data pair.
5
20
)
)
Reenters the first data pair.
There is still a total of two
data pairs in the statistics
registers.