IZ Interval

S1-Sample Z Interval

1-SampleZ 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

S2-Sample Z Interval

2-SampleZ 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)

S1-Prop Z Interval

1-PropZ 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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