Higher income individuals can afford to pay higher dollar amounts in taxes. The least fair tax is the sales tax - specifically sales taxes levied on life's necessities, such as food purchased in grocery stores. There is large variation across the country in terms of state/local tax burdens on the poor.
The U.S. Air Force recognized the merit of Weibull's method and funded his research until 1975. Today, Weibull analysis is the leading method in the world for fitting and analyzing life data. Dorian Shainin introduced the author to statistical engineering at the Hartford Graduate Center (RPI) in the mid-fifties.
For example, the 2-parameter exponential distribution is affected by the scale parameter, (lambda) and the location parameter, (gamma). The shape of the exponential distribution is always the same. Weibull Shape Parameter. This plot demonstrates the effect of the shape parameter, (beta), on the Weibull distribution.isual Demonstration of the Effect of Parameters on the Distribution. As a supplement to the Life Data Analysis Basics quick subject guide, these three plots demonstrate the effect of the shape, scale and location parameters on the Weibull distribution probability density function (pdf).