34
Math Functions
Variables
1-Var or 2-Var
Definition
Q3
1-Var
Median of the elements between
Med and maxX (3rd quartile).
minY
or
maxY
2-Var
Minimum or maximum of
y
values.
To define statistical data points:
1. Enter data in L1, L2, or L3. (See Data Editor section.)
Note:
Non-integer frequency elements are valid. This is useful when entering
frequencies expressed as percentages or parts that add up to 1. However, the
sample standard deviation, Sx, is undefined for non-integer frequencies, and
Sx=Error is displayed for that value. All other statistics are displayed.
2. Press
% u
. Select
1-Var
or
2-Var
and press
<
.
3. Select L1, L2, or L3, and the frequency.
4. Press
<
to display the menu of variables.
5. To clear data, press
v v
, select a list to clear, and press
<
.
1-Var Example
Find the mean of {45,55,55,55}.
Clear all
data
v v $ $ $
Data
<
45
$
55
$
55
$
55
<
Stat
% s
% u
2
(Selects
1-VAR STATS
)
$ $
<
Stat Var
2
<
