Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 168

The following shows the parameter data specification items that are different from list data
specification.
Calculation Result Output Example
............ direction of test
1 2
s ................. Displayed only when Pooled: On setting.
p
• [Save Res] does not save the
LinearReg t Test
t
LinearReg Test treats paired-variable data sets as (
squares to determine the most appropriate
y a bx
formula = + . It also determines the correlation coefficient and
extent of the relationship between
Perform the following key operations from the statistical data list.
(TEST)
(t)
(REG)
Calculation Result Output Example
0 & 0 ......... direction of test
Pressing (COPY) while a calculation result is on the display copies the regression formula
to the Graph relation list.
condition in line 2.
1
x
a b
, coefficients of the data for the regression
x y
and .
6-28
y
, ) pairs, and uses the method of least
t
score, and calculates the