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11-18 Inference aplet
Results The results are:
One-Sample T-Interval
Menu name T-INT: 1 μ
This option uses the Student’s t-distribution to calculate a
confidence interval for m, the true mean of a population,
for the case in which the true population standard
deviation, s, is unknown.
Inputs The inputs are:
n1 Sample 1 size.
n2 Sample 2 size.
C Confidence level.
Field
name
Definition (Continued)
Result Description
Critical Z Critical value for Z.
π Min
Lower bound for the difference between
the proportions of successes.
π Max
Upper bound for the difference between
the proportions of successes.
Δ
Δ
Field
name
Definition
Sample mean.
Sx Sample standard deviation.
n Sample size.
C Confidence level.
x
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hp40g+.book Page 18 Friday, December 9, 2005 1:03 AM