Orion TI-
30XS MultiView™ User’s Guide - User guide
Version 1.0
Orbit Research
Confidential and Proprietary Information
31
Convert these temperatures from degrees Celsius to degrees Fahrenheit.
Reminder: F = 9/5 C + 32
data, data
,
4
,
data, right arrow
,
5
Result = Clear 4:
Formula 5:
8
,
down arrow, (-)
,
1
,
down arrow
,
4
,
down arrow,
right arrow
Result = L2(1)=
data, right arrow
,
1
Result = •L2=
9
,
÷
,
5
,
×, data
,
1
,
+
,
32
Result = •l2=9/5 × L1 +
32
enter
Result = L2(1)=46.4
If Sydney, Australia is 21°C, find the temperature in degrees Fahrenheit.
left arrow, down arrow, down arrow, down arrow
,
21
,
enter
Result = L1(5)=
3.24 Statistics
2nd [stat]
data
2nd [stat]
displays a menu with the following options:
•
1-Var Stats
analyzes statistical data from 1 data set with 1 measured
variable,
x
.
•
2-Var Stats
analyzes paired data from 2 data sets with 2 measured
variables
—
x
, the independent variable, and
y
, the dependent variable.
•
StatVars
displays a secondary menu of statistical variables. The StatVars
menu only appears after you have calculated 1-Var or 2-Var stats. Use
down arrow
and
up arrow
to locate the desired variable, and press
enter
to select it.
Variables
Definition
n
Number of
x
or (
x,y
) data points.
x̄
or
ȳ
Mean of all
x
or
y
values.
Sx
or
Sy
Sample standard deviation of
x
or
y
.
σx
or
σy
Population standard deviation of
x
or
y
.
Σx
or
Σy
Sum of all
x
or
y
values.
Σx
2
or
Σy
2
Sum of all
x
2
or
y
2
values.
Σxy
Sum of (
x ...y
) for all
xy
pairs.
a
Linear regression slope.
b
Linear regression
y
-intercept.