HP 39gs User Manual

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
1
HP 39gs English.book Page 18 Wednesday, December 7, 2005 11:24 PM

HP 39gs Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Gray
Internal memory	0.256 MB

Weight and Dimensions

Weight	249 g
Dimensions (WxDxH)	187 x 94 x 31 mm