Inference app
113
Results
The results are:
Confidence intervals
The confidence interval calculations that the HP 39gII can
perform are based on the Normal Z-distribution or
Student’s t-distribution.
One-Sample Z-Interval
Menu name
Z-int:
1 μ
This option uses the Normal Z-distribution to calculate a
confidence interval for
μ
, the true mean of a population,
when the true population standard deviation,
σ
, is
known.
Pooled
Check this option to pool samples
based on their standard deviations.
Field
name
Definition
Result
Description
Test T
T-Test statistic.
Test
Difference in the means associated
with the test t-value.
P
Probability associated with the T-Test
statistic.
DF
Degrees of freedom.
Critical T
Boundary values of T associated with
the
α
level that you supplied.
Critical
Difference in the means associated
with the
α
level you supplied.
Δ
x
Δ
x
Summary of Contents for 39gII
Page 1: ...HP 39gII graphing calculator user s guide Edition1 Part Number NW249 90001 ...
Page 2: ...Printing History Edition 1 November 201 1 ...
Page 32: ...22 Getting started ...
Page 58: ...48 Apps and their views ...
Page 70: ...60 Function app ...
Page 80: ...70 Solve app ...
Page 136: ...126 Polar app ...
Page 140: ...130 Sequence app ...
Page 148: ...138 Finance app ...
Page 152: ...142 Linear Solver app ...
Page 218: ...208 Matrices ...
Page 226: ...216 Notes and Info ...
Page 238: ...228 Variables and memory management ...
Page 318: ...308 Programming ...
Page 340: ...330 Reference information ...
Page 346: ...vi Product Regulatory Information ...