Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

A normal probability plot is a scatter plot that compares the observed values of your data with the expected values under a normal distribution. The expected values are calculated based on the ...

Properties of P-P and Q-Q probability plots for visually assessing the fit of probability models are reviewed. It is shown how to construct families of curves for standardized P-P plots, which are ...