There are different levels of reliability analysis, which can be used in any design methodology…

Reliability analysis refers to the fact that a scale should consistently reflect the construct it is…

A lognormal (log-normal or Galton) distribution is a probability distribution with a normally distributed logarithm.…

A tragedy of statistics in most schools is how dull it’s made. Teachers spend hours…

What is Chebyshev’s Theorem? Chebyshev’s theorem is used to find the proportion of observations you would expect to…

Properties and Assumptions:

For discrete random variables, the PMF is also called the probability distribution. Thus, when asked to…

If you have ever taken an algebra class, you probably learned about different variables like x, y and…

What is the Bayes' Theorem? Bayes' theorem, named after 18th-century British mathematician Thomas Bayes, is a…