What does test statistic mean?
Definitions for test statistic
test statis·tic
This dictionary definitions page includes all the possible meanings, example usage and translations of the word test statistic.
Wikidata
Test statistic
A test statistic is a single measure of some attribute of a sample used in statistical hypothesis testing. A hypothesis test is typically specified in terms of a test statistic, considered as a numerical summary of a data-set that reduces the data to one value that can be used to perform the hypothesis test. In general, a test statistic is selected or defined in such a way as to quantify, within observed data, behaviours that would distinguish the null from the alternative hypothesis, where such an alternative is prescribed, or that would characterize the null hypothesis if there is no explicitly stated alternative hypothesis. An important property of a test statistic is that its sampling distribution under the null hypothesis must be calculable, either exactly or approximately, which allows p-values to be calculated. A test statistic shares some of the same qualities of a descriptive statistic, and many statistics can be used as both test statistics and descriptive statistics. However, a test statistic is specifically intended for use in statistical testing, whereas the main quality of a descriptive statistic is that it is easily interpretable.
Numerology
Chaldean Numerology
The numerical value of test statistic in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of test statistic in Pythagorean Numerology is: 4
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"test statistic." Definitions.net. STANDS4 LLC, 2024. Web. 23 Nov. 2024. <https://www.definitions.net/definition/test+statistic>.
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