Sharp EL-9650 Operation Manual page 192

CHAPTER 7
The test will be conducted using the previous data.
1. Set to the list input (InputList) mode
A ® to input data 1 to list 2 (L2) and
Press
data 2 to list 3 (L3).
2. After inputting lists, press
parameter input screen of "Ttest2samp", then input
each parameter and test method.
* When there is no Freq specification, calculation is
executed with weight as "1".
* Pooled is prediction for unknown
Select "No" if ,
1
Select "Yes" if ,
1
Calculation is executed using this prediction as the basis.
3. Press Ï
The answer is shown using two screens.
* "df" indicates degree of freedom.
[05 TtestLinreg]
Tests the hypothesis of slope
correlation coefficient
populations.
<Example 5>
The test is conducted under the assumption that the value of slope
coefficient obtained from statistical data X (65, 56, 78, 86, 92, 71, 68) and Y (95, 59,
88, 78, 75, 68, 80) randomly extracted from two different populations are
E 0 4 to open the
, .
1 2
are subjectively unequal.
2
are equal.
2
to solve.
of linear regression straight line "Y =
of two dimensional sample data obtained from two different
182
+ x" and
and correlation
& 0.