Examlex
King Hammurabi is best known for developing an improved writing system in Babylon.
T-Distribution
A probability distribution that is symmetric and bell-shaped, used in hypothesis testing and setting confidence intervals when the sample size is small.
Population Normal
Population normal, often referring to a normal distribution in a population, describes a bell-shaped frequency distribution that is symmetric about the mean.
Hourly Fees
A method of billing where charges are applied based on the amount of time spent on a task, usually measured in hours.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of the risk of making a Type I error.
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