Sharp EL9900C EL-9900C - Page 182
Ztest2samp, Example
UPC - 074000016873
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Chapter 10: Statistics & Regression Calculations • µ0 indicates the hypothesis mean, σ indicates the population standard deviation, x indicates the sample mean and n indicates the sample size. ("n" is a positive integer.) 4. Enter the appropriate value in each field. 5. Press @ h. Answers will be displayed on the screen, where z indicates the test statistic and p indicates the p value of the test. 09 Ztest2samp Tests the equality of two sample means, µ1 and µ2. Example _ _ Test µ1 > µ2 where x1 = 77.3, σ1 = 3.4, n1 = 30, and x2 = 75.2, σ2 = 2.8, n2 = 20. Set the input method to value input mode 1. Press # S E 1 7 E. 2. Press S E 0 9. The parameter input screen will appear. 3. Enter the appropriate value into each field. 4. Press @ h. Answers will be displayed on the screen. 172