92
BA II PLUS™ Calculator
Editing Statistical Data
Pressing
&
j
also lets you insert or delete data points. You
may not need to do all the steps each time you perform a
Statistics calculation.
Procedure: Deleting a Data Point
When the
DEL
indicator is displayed, you can delete a data
point.
쐃
Press
#
or
"
until the data point you want to delete is
displayed.
쐇
Press
&
W
.
The data point you specified (both
X
and
Y
) is deleted. The
calculator decreases the numbers of subsequent data points so
that there is no gap.
Procedure: Inserting a Data Point
When the
INS
indicator is displayed, you can insert a data point.
쐃
Press
#
or
"
until the display shows the current
X
variable
of the data point where you want to insert the new data.
For example, if you want to insert a new second data point,
display
X02
.
쐇
Press
&
X
.
쐋
Key in the new
X
value and press
!
.
The new
X
value is entered “above” the current data point.
The calculator increases the numbers of the current and
subsequent data points. For example,
X02
becomes
X03
.
쐏
If necessary, press
#
, and then key in a value for the
Y
variable and press
!
.
