Texas Instruments BA II Plus - Computing Statistical Results

6: Statistics Worksheet 93
Computing Statistical Results
Procedure: Selecting a Statistics Calculation Method
쐃
Press
& k
to select the statistical calculation portion of
the Statistics worksheet.
The most recently selected statistics calculation method is
displayed (
LIN
,
Ln
,
EXP
,
PWR
, or
1-V
).
쐇
Press
& V
repeatedly until the statistics calculation
method you want is displayed.
If you are analyzing one-variable data, select
1-V
.
쐋
Press
#
to begin computing results.
Computing Results
To compute results based on the current data set, press
#
repeatedly after you have selected the statistics calculation
method.
The results of the statistical calculations (except for
X'
and
Y'
)
are computed and displayed automatically when you access
them.
For one-variable statistics, only values for
n
,
x
,
Sx
,
s
x
,
G
X
, and
G
X
2
are computed and displayed.
Procedure: Computing Y'
쐃
If necessary, press
& k
.
쐇
Press
"
or
#
until
X'
is displayed.
쐋
Key in a value for
X'
and press
!
.
쐏
Press
#
to display the
Y'
variable.
쐄
Press
%
to compute a predicted
Y'
value.