Analyze continuous data

	Descriptive statistics and confidence interval of a mean.
	Grubbs' test to detect an outlier.
	t  test to compare two means.
	One sample t  test. Compare observed and expected means.
	Post test following two-way (or higher) ANOVA.
	Confidence interval of a sum, difference, quotient or product of two means.
	Confidence interval of a standard deviation.