Examlex
The test statistic measures how close the sample has come to the null hypothesis and often follows a well-known distribution,such as the normal,t,or chi-square distribution.
Confidence Interval
A variety of values, sourced from sample statistics, with a high likelihood of containing an undetermined population parameter's value.
Sample Size
The number of observations or elements selected from a population to be analyzed.
Population Mean
The average of a set of values in an entire population, representing the central tendency of the population.
Interval Estimate
An estimation that specifies a range within which a parameter lies, providing an interval believed to encompass the true value of that parameter.
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