Sharp EL-738XT, Operation Manual

Page: 66 / 88

64
Chapter 5
Statistical Functions
Statistical calculations can be performed in STAT mode. The
symbol will be visible if you are in STAT mode.
There are seven sub-modes within STAT mode, corresponding
to each of the functions below:
Key operation Sub-mode Display
m 1 0
m 1 1
m 1 2
m 1 3
m 1 4
m 1 5
m 1 6
SD: Single-variable statistics
LINE: Linear regression
QUAD: Quadratic regression
EXP: Exponential regression
LOG: Logarithmic regression
PWR: Power regression
INV: Inverse regression
Stat —
Stat 1
Stat 2
Stat 3
Stat 4
Stat 5
Stat 6
Entering statistical data
Before you can perform statistical calculations, you will need to
enter your data. In STAT mode, use
>
and J (the Q
key) to enter the following:
For a single-variable data set:
Value J
Value > frequency J (To enter multiples of the same
value)
For a two-variable data set:
x
value
>
y
value
J
x
value
>
y
value
>
frequency
J
(To enter multiples
of the same
x
and
y
values)
Note: Before entering data, clear any previously entered data
from memory by doing either of the following:
• Press . b in STAT mode.
• Switch sub-modes within STAT mode.