Casio FX-9750GII User Manual

Page 176

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I Z Interval

S 1-Sample

Z

Interval

1-Sample

Z

Interval calculates the confidence interval for an unknown population mean when

the population standard deviation is known.

Perform the following key operations from the statistical data list.

(INTR)

(Z)

(1-S)

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

Calculation Result Output Example

S 2-Sample

Z

Interval

2-Sample

Z

Interval calculates the confidence interval for the difference between two

population means when the population standard deviations of two samples are known.

Perform the following key operations from the statistical data list.

(INTR)

(Z)

(2-S)

S 1-Prop

Z

Interval

1-Prop

Z

Interval uses the number of data to calculate the confidence interval for an unknown

proportion of successes.

Perform the following key operations from the statistical data list.

(INTR)

(Z)

(1-P)

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