Casio STAT 2, Руководство пользователя

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o
1
................................. mean of sample 1
x
1
"
n
-1
............................ standard deviation (
x
1
"
n
-1
> 0) of sample 1
n
1
................................. size (positive integer) of sample 1
o
2
................................. mean of sample 2
x
2
"
n -1
............................ standard deviation (
x
2
"
n -1
> 0) of sample 2
n
2
................................. size (positive integer) of sample 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
1
................................. mean of sample 1
o
2
................................. mean of sample 2
x
1
"
n
-1
............................ standard deviation of sample 1
x
2
"
n
-1
............................ standard deviation of sample 2
x
p
"
n -1
............................ pooled sample standard deviation
(Displayed only when Pooled: On Setting.)
n
1
................................. size of sample 1
n
2
................................. size of sample 2