- statistical hypothesis test
- 统计假设检验
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
statistical hypothesis test
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Statistical hypothesis testing — This article is about frequentist hypothesis testing which is taught in introductory statistics. For Bayesian hypothesis testing, see Bayesian inference. A statistical hypothesis test is a method of making decisions using data, whether from a… … Wikipedia
hypothesis test — an abstract procedure for determining whether a set of observations is consistent with a hypothesis under consideration; it is the theoretical basis of most statistical tests. A hypothesis test decides between two hypotheses, one stating that the … Medical dictionary
Statistical inference — In statistics, statistical inference is the process of drawing conclusions from data that are subject to random variation, for example, observational errors or sampling variation.[1] More substantially, the terms statistical inference,… … Wikipedia
Statistical significance — In statistics, a result is called statistically significant if it is unlikely to have occurred by chance. A statistically significant difference simply means there is statistical evidence that there is a difference; it does not mean the… … Wikipedia
Statistical randomness — A numeric sequence is said to be statistically random when it contains no recognizable patterns or regularities; sequences such as the results of an ideal die roll, or the digits of π exhibit statistical randomness.Statistical randomness does not … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Hypothesis Testing — A process by which an analyst tests a statistical hypothesis. The methodology employed by the analyst depends on the nature of the data used, and the goals of the analysis. The goal is to either accept or reject the null hypothesis. Hypothesis… … Investment dictionary
test — I. noun Etymology: Middle English, vessel in which metals were assayed, potsherd, from Anglo French test, tees pot, Latin testum earthen vessel; akin to Latin testa earthen pot, shell Date: 14th century 1. a. chiefly British cupel b. (1) a… … New Collegiate Dictionary
Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of … Wikipedia
Alternative hypothesis — Main article: Statistical hypothesis testing In statistical hypothesis testing, the alternative hypothesis (or maintained hypothesis or research hypothesis) and the null hypothesis are the two rival hypotheses which are compared by a statistical… … Wikipedia
Chi-squared test — Chi square test is often shorthand for Pearson s chi square test. A chi square test, also referred to as chi squared test or χ2 test, is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi square… … Wikipedia
