Examlex
The errors in a regression model are assumed to have an increasing mean.
Alternative Hypothesis
A statement that contradicts the null hypothesis and is tested for possible acceptance in hypothesis testing.
Skewness
A measure of the asymmetry of the probability distribution of a real-valued random variable about its mean.
Simple Random Sample
A selection from a larger population where every member has an identical chance of being picked.
T Procedures
Statistical methods based on the t-distribution, used for hypothesis testing and confidence interval estimation, mainly when sample sizes are small.
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