Example 1: The population from which samples are selected is {1,2,3,4,5,6}. This population has a mean of 3.5 and a standard deviation of 1.70783. The next display shows a histogram of the population.

A nonparametric test labelled ‘Rao Spacing-frequencies test’ is explored and developed for testing whether two circular samples come from the same population. Its exact distribution and performance ...

SEM/EDS (Scanning Electron Microscopy and Energy Dispersive Spectroscopy) mapping is utilized to measure elemental distributions in a sample. Usually this method generates an analysis of one field of ...

Investopedia / Xiaojie Liu One-tailed tests in statistics focus on one direction in the distribution to determine if a sample mean is significantly ... underperformed the S&P 500 index. For this ...