Sharp EL-9650 - Page 189

179
STATISTICS/ REGRESSION CALCULATIONS
for US
For example, to set to the numerical value input mode:
Press
E 1 7 ®
The screen shown to the right appears, indicating that
the numerical value input mode has been set.
• When setting to the statistics input method, all
statistic test functions are valid.
To change the setting, follow the previously de-
scribed procedure to change modes.
[01 χ
2
test]
Test χ
2
using the sample data of a 2-way table represented by a matrix.
<Example 1>
As shown below, the sample data is in the form of a matrix and is stored to mat A.
We will use this to test χ
2
and store the result in mat B.
Note: Matrix data must be integers
• Press
E 0 1 to input necessary items.
Input matrix name with the sample data for testing in
Observed Matrix. Input matrix name in which to
insert test result in Expected Matrix.
• Since the cursor pointer is located at Observed
Matrix, we will first input mat A.
• Press
A 1 ® to transfer mat A to the
screen and move the cursor pointer down.
• Press
A 2 to input mat B.
Press Ï to display the answer. The result will
be the input to mat B in a matrix format.
Opening mat B will display the matrix shown to the right.
* χ
2
indicates statistics
EL-9650-(07)En (178-196) 8/1/00, 9:08 AM179