One-Sample T-Interval - HP 40gs User Manual

hp40g+.book Page 18 Friday, December 9, 2005 1:03 AM
Results

One-Sample T-Interval

Menu name
Inputs
11-18
Field Definition (Continued)
name
n1 Sample 1 size.
n2 Sample 2 size.
C Confidence level.
The results are:
Result Description
Critical Z Critical value for Z.
Lower bound for the difference between
Δ π Min
the proportions of successes.
Upper bound for the difference between
Δ π Max
the proportions of successes.
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.
The inputs are:
Field Definition
name
Sample mean.
x1
Sx Sample standard deviation.
n Sample size.
C Confidence level.
Inference aplet