Casio FX-CG20 Manual

A SERVICE OF

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CASIO

6-34

u 1-Sample Z Test

This test is used when the population standard deviation is known to test the hypothesis. The

1-Sample Z Test is applied to the normal distribution.

Perform the following key operations from the List Editor.

3(TEST)

1(Z)

1(1-SAMPLE)

The following shows the parameter data specification items that are different from list data

specification.

Calculation Result Output Example

μ

≠ 11.4 .......... direction of test

s

x

.................. Displayed only for Data:List setting.

• [Save Res] does not save the

μ

condition in line 2.

u 2-Sample Z Test

This test is used when the standard deviations for two populations are known to test the

hypothesis. The 2-Sample Z Test is applied to the normal distribution.

Perform the following key operations from the List Editor.

3(TEST)

1(Z)

2(2-SAMPLE)