Casio STAT 2 Manual page 41

o
................................. mean of sample 1
1
x
............................ standard deviation (
"
n
1 -1
n
................................. size (positive integer) of sample 1
1
o
................................. mean of sample 2
2
x
............................ standard deviation (
"
n
2 -1
n
................................. size (positive integer) of sample 2
2
After setting all the parameters, align the cursor with [Execute] and then press the function
key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
Calculation Result Output Example
Left .............................. interval lower limit (left edge)
Right ............................ interval upper limit (right edge)
df
................................. degrees of freedom
o
................................. mean of sample 1
1
o
................................. mean of sample 2
2
x
............................ standard deviation of sample 1
"
1 n -1
x
............................ standard deviation of sample 2
"
2 n -1
x
............................ pooled sample standard deviation
"
p n -1
n
................................. size of sample 1
1
n
................................. size of sample 2
2
41
x
"
1
x
"
2
(Displayed only when Pooled: On Setting.)
> 0) of sample 1
n
-1
> 0) of sample 2
n
-1