
Field name Description
n
2
Sample 2 size
C Condence level
Results
The results are as follows:
Results Description
C Condence level
Critical Z Critical values for Z
Lower Lower bound for Δπ
Upper Upper bound for Δπ
One-Sample T-Interval
Menu name
T-Int: 1 μ
This option uses the Student’s t-distribution to calculate a condence interval for μ, the true mean of a
population, for the case in which the true population standard deviation, σ, is unknown.
Inputs
The inputs are as follows:
Field name Description
ẋ Sample mean
s Sample standard deviation
n Sample size
C Condence level
Results
The results are as follows:
Results
Description
C Condence level
DF Degrees of freedom
Critical Critical values for T
282 Chapter 13 Inference app
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