Propzint – Texas Instruments TI-84 User Manual
Page 360
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Chapter 13: Inferential Statistics and Distributions
357
1-PropZInt
1-PropZInt
1-PropZInt
1-PropZInt
1-PropZInt
(one-proportion
z
confidence interval; item
A
) computes a confidence interval
for an unknown proportion of successes. It takes as input the count of successes in the
sample
x
and the count of observations in the sample
n
. The computed confidence
interval depends on the user-specified confidence level.
2-PropZInt
2-PropZInt
2-PropZInt
2-PropZInt
2-PropZInt
(two-proportion
z
confidence interval; item
B
) computes a confidence interval
for the difference between the proportion of successes in two populations (p
1
Np
2
). It
takes as input the count of successes in each sample (
x
1
and
x
2
) and the count of
Input:
Calculated
results:
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