Examlex
Efficiency is defined as minimizing waste.
Hypothesis Testing
A statistical method that uses sample data to evaluate a hypothesis about a population parameter, leading to a decision to accept or reject the hypothesis.
Test Statistic
A numerical value calculated from a sample of data used in statistical testing to determine whether to reject the null hypothesis.
T-Distribution
A probability distribution used in statistics, especially in scenarios with small sample sizes, that is symmetric, bell-shaped, and slightly thicker and longer-tailed than the normal distribution.
Sample Mean
The average value of a sample set, calculated by summing all observations and dividing by the number of observations.
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