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u 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 List Editor.
4(INTR)
1(Z)
3(1-PROP)
Data is specified using parameter specification.
Calculation Result Output Example
u 2-Prop Z Interval
2-Prop Z Interval uses the number of data items to calculate the confidence interval for the
difference between the proportion of successes in two populations.
Perform the following key operations from the List Editor.
4(INTR)
1(Z)
4(2-PROP)
k t Interval
u 1-Sample t Interval
1-Sample t Interval calculates the confidence interval for an unknown population mean when
the population standard deviation is unknown.
Perform the following key operations from the List Editor.
4(INTR)
2(t)
1(1-SAMPLE)
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