HP 40G manual One-Sample T-Interval, Sample mean

One–Sample T–Interval

Menu name	T–INT: 1 ∝
	This option uses the Student’s t–distribution to calculate a
	confidence interval for ∝, the true mean of a population, for
	the case in which the true population standard deviation, σ, is
	unknown.
Inputs	The inputs are:
	Field name		Definition
			Sample mean.
		x
	Sx		Sample standard deviation.
	n		Sample size.
	C		Confidence level.
Results
	The results are:
	Result		Description
	Critical T		Critical value for T.
	∝ Min		Lower bound for ∝.
	∝ Max		Upper bound for ∝.

9-20 Inference aplet