Casio FX-9750G, FX-9860GII ICalculations Using the TEST Command, 5.Tests, 4:n, PRGM, STAT, Test, Example, RUN • MAT, samples n, RUN • MAT, performed under the conditions below:

ICalculations Using the TEST Command

Important!

• The following operations cannot be performed on the fx-7400GII.

You can use special functions in the RUN • MAT mode or PRGM mode to perform calculations that are the same as the STAT mode Z Test, t Test, and other test calculations (page 6-22).

Example	To determine the z score and p-value when a one-sample Z test is
	performed under the conditions below:
	test condition (ƫcondition) ξ ƫ0*, assumed population mean ƫ0 = 0,
	population standard deviation Ʊ = 1, sample mean M= 1, number of
	samples n = 2

*“ƫ condition ξ ƫ0” can be specified by entering 0 as the initial argument of the one-sample Z test command “OneSampleZTest”.

1.From the Main Menu, enter the RUN • MAT mode.

2.Perform the following key operation.

*(STAT)(E)(TEST)(Z)

(1-S)??@@A

U

)))

(LIST)(List) (Ans)U

The following calculation results are displayed as ListAns elements 1 through 4.

1:z score

2:p-value

3:M

4:n

•For details about the function of the supported TEST command and their syntax, see “Using the TEST Command to Execute a Command in a Program” (page 8-32).

5.Tests

Important!

• Test calculations cannot be performed on the fx-7400GII.

The Z Test provides a variety of different standardization-based tests. They make it possible to test whether or not a sample accurately represents the population when the standard deviation of a population (such as the entire population of a country) is known from previous tests. Z testing is used for market research and public opinion research, that need to be performed repeatedly.

6-22