20050401o1 ................................. mean of sample 1x1σn-1 ............................ standard deviation (x1σn-1 > 0) of sample 1n1 ................................. size (positive integer) of sample 1o2 ................................. mean of sample 2x2σn-1 ............................ standard deviation (x2σn-1 > 0) of sample 2n2 ................................. size (positive integer) of sample 2After setting all the parameters, use c to move the highlighting to “Execute” and then pressthe function key shown below to perform the calculation.• 1(CALC) ... Performs the calculation.Calculation Result Output ExampleLeft .............................. confidence interval lower limit (left edge)Right ............................ confidence interval upper limit (right edge)df ................................. degrees of freedomo1 ................................. mean of sample 1o2 ................................. mean of sample 2x1σn-1 ............................ standard deviation of sample 1x2σn-1 ............................ standard deviation of sample 2xpσn-1 ............................ pooled sample standard deviation(Displayed only when Pooled: On setting.)n1 ................................. size of sample 1n2 ................................. size of sample 26-6-11Confidence Interval
