HP 39g One-Sample T-Interval

Field	Definition (Continued)
name
n1	Sample 1 size.
n2	Sample 2 size.

CConfidence level.

Results	The results are:
	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.

One-Sample T-Interval

Menu name	T-INT: 1 ∝
	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:
	Field		Definition
	name
			Sample mean.
		x1
	Sx		Sample standard deviation.
	n		Sample size.
	C		Confidence level.

9-18 Inference aplet