Examlex
Beta testing should be utilized for all new products except simple updates of existing offerings and/or line extensions.
Normal Distribution
A continuous probability distribution characterized by a symmetric bell-shaped curve, representing random variables with mean and variance.
Test Statistic
A numerical value calculated from a sample that is used in statistical hypothesis testing to determine whether to reject the null hypothesis.
Test Statistic
A number derived from the sample data in a hypothesis test that helps decide whether the null hypothesis should be rejected.
Alternative
The hypothesis that there is a significant difference between specified populations or sets of data, contrasting the null hypothesis.
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