User manual - Confidence Interval (INTR)

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o1 ................................. mean of sample 1
x1 σ n-1 ............................ standard deviation (x1 σ n-1 > 0) of sample 1
n1 ................................. size (positive integer) of sample 1
o2 ................................. mean of sample 2
x2 σ n-1 ............................ standard deviation (x2 σ n-1 > 0) of sample 2
n2 ................................. 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
o1 ................................. mean of sample 1
o2 ................................. mean of sample 2
x1 σ n-1 ............................ standard deviation of sample 1
x2 σ n-1 ............................ standard deviation of sample 2
xp σ n-1 ............................ pooled sample standard deviation
(Displayed only when Pooled: On Setting.)
n1 ................................. size of sample 1
n2 ................................. size of sample 2