[Sample Data]  (input either sample data or sample statistics using csv / bsv)
     
[Sample Statistics]

	Sample Size	n	=		(>1)
	Sample Mean	x̄	=
	Sample Variance	s2	=

[Confidence Level]

      1 - α     95% 99%

[Sampling Distribution]   t-Distribution Z-Distribution   σ² =

Execute    
[Confidence Interval]

		=		=
	x̄	±		⇔	[    ,	]

  n = ^{1 200}    1-α = ^{0.60 0.99}

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