Statistical Tables Calculator
Convert to Standard Scores. This program will convert a set of X values to a corresponding set of z values using either the descriptive or inferential standard deviation.
Data Transformation. The programs accessed on this page are aimed at systematically transforming a skewed distribution into one that more closely approximates the symmetrical form of a normal distribution.
Randomizer. This program will take the integers 1 through n and shuffle them into a random sequence.
Estimation of a Sample’s Mean and Variance from Its Median and Range. This program estimates the mean, variance, and standard deviation of a sample on the basis of the sample’s reported median and range according to the method devised by S.P. Hozo, B. Djulbegovic, and I. Hozo.
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