JSTOR Daily

A Measure of 2 x 2 Association with Stable Variance and Approximately Normal Small-Sample Distribution: Planning Cost-Effective Studies

This is a preview. Log in through your library . Abstract A measure of 2 x 2 association, Z, is developed having the property that n(Z - Z) has approximately a standard normal distribution, even for ...
JSTOR Daily

Shorter Confidence Intervals for the Mean of a Normal Distribution with Known Variance

This is a preview. Log in through your library . Abstract This paper obtains and explores a family of confidence procedures for the mean of a normal distribution which are, in a certain sense, more ...
Investopedia

Normal Distribution: Definition, Formula, and Examples

Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a degree in accounting and finance from DePaul University. Vikki Velasquez is a researcher and writer who has ...
Nature

Increased variance in blood pressure distribution and changing hypertension prevalence in an urban Indian population

If hypertension was predominantly genetic, increase in mean BP in populations over time would be associated with unchanged measures of dispersion (variance, standard deviations, coefficient of ...