Some formulas statisticians may use are population mean, sample mean, variance, and standard deviation. They may also use linear regression line and standard error equations. Another can be the mean value of a data set, where one adds all data points given in a set and divides this number by the number of data points in the set.
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businesses would use them to predict trends in data and statisticians would use them to extrapolate the results of a sample group of a study or survey.
One example is linear transformations, which are a key element of statistics. The fact that a linear transform of a Normal variabe is also a normal variable is central to the use of z-scores for calculating normal probabilities and so for hypothesis testing.
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Some famous statisticians included Florence Nightingale, W. Edwards Deming, and Janet Norwood. Also included in the list are John Tukey and J. Stuart Hunter.
Jobs that use probability include: Statisticians Mathematicians Actuaries Financial Modellers and Risk Managers Economists Gaming Designers ---------------------------------------------------------------------------------------------------------------------------------------------Sports Casters (they give a probably of the scores in a game)