Examlex
A database is created by and defined in a database management warehouse (DBW), which is a software program that creates and accesses the data in a database.
T-statistic
A type of statistic used in hypothesis testing, determined by the difference between the sample mean and the population mean divided by the standard error.
Degrees Of Freedom
The number of values in a final calculation of a statistic that are free to vary.
Null Hypothesis
A statement or hypothesis in statistics that suggests no significant difference or effect; it is the hypothesis that researchers aim to test against.
Region Of Rejection
Values of a statistic that result in the decision to reject the null hypothesis.
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