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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
n
2
-1
x
............................ pooled sample standard deviation
p n
-1
n
................................. size of sample 1
1
n
................................. size of sample 2
2
1-3-11
Confidence Interval (INTR)
x
1
x
2
(Displayed only when Pooled: On setting.)
20010101
> 0) of sample 1
n
-1
> 0) of sample 2
n
-1
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