Sharp EL-9900 operation manual 172

Chapter 10: Statistics & Regression Calculations

•∝0 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 indi- cates the test statistic and p indicates the p value of the test.

09 Ztest2samp Tests the equality of two sample means, ∝1 and ∝2.

Example	_
_		σ2 =
Test ∝1 > ∝2 where x1 = 77.3,	σ1 = 3.4, n1 = 30, and x2 = 75.2,
2.8, n2 = 20.

Set the input method to value input mode

1.Press #SE17E.

2.Press SE09.

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