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Invalid (logical) argument
| Glossary of Statistical Terms |
An invalid logical argument is one in which the truth of the premises does not guarantee the truth of the conclusion. for example, the following logical argument is invalid: if the forecast calls for rain, i will not wear sandals. the forecast does not call for rain. therefore, i will wear sandals. see also valid argument.
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Conclusion, английский
- Вывод;
- Вывод; умозаключение
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And, &, conjunction, logical conjunction, ∧, английский
An operation on two logical propositions. if p and q are two propositions, (p & q) is a proposition that is true if both p and q are true; otherwise, (p & q) is false. the operation & is sometimes represented by the symbol ∧.
T test, английский
An hypothesis test based on approximating the probability histogram of the test statistic by student`s t curve. t tests usually are used to test hypotheses about the mean of a population when the sample size is intermediate and the distribution of the population is known to be nearly normal.
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