fx-991EX Quick Start Guide
21
Press
C
to return to the data entry screen.
Enter the Option menu by pressing
i
.
Select item
4
(Statistics Calc) to enter the Statistics
calculation area.
Press
i
, and then the down arrow (
R
) once to reveal the
different categories of statistical variables.
For instance, to calculate the interquartile range (IQR), press
3
(Min/Max)
4
(Q
3
)
-
i
R3
(Min/Max)
2
(Q
1
)
p
.
13 different 1-variable statistics have been calculated, 6 of which appear on the first screen. Press
R
one or more
times to reveal additional statistics:
These statistics have each been stored inside the
fx-991EX
as variables, in case you should wish to use them in
further calculations.
STATISTICS
