Inference aplet
9-15
Results
The results are:
Confidence intervals
The confidence interval calculations that the hp 39g+ can
perform are based on the Normal Z-distribution or
Student’s t-distribution.
One-Sample Z-Interval
Menu name
Z-INT:
µ
1
This option uses the Normal Z-distribution to calculate a
confidence interval for m, the true mean of a population,
when the true population standard deviation, s, is known.
Inputs
TheT inputs are:
Result
Description
Test T
T-Test statistic.
Prob
Probability associated with the T-Test
statistic.
Critical T
Boundary values of T associated with
the
α
level that you supplied.
Field
name
Definition
Sample mean.
σ
Population standard deviation.
n
Sample size.
C
Confidence level.
x
Summary of Contents for 39g+
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Page 62: ...2 22 Aplets and their views 5 Display the functions in numeric form ...
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