degree of freedom for t-test

  • 1Freedom of the press in the Russian Federation — 2009 RWB press freedom rankings   Free …

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  • 2Student'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 …

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  • 3Freedom of speech by country — Freedom of speech is the concept of the inherent human right to voice one s opinion publicly without fear of censorship or punishment. Speech is not limited to public speaking and is generally taken to include other forms of expression. The right …

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  • 4Likelihood-ratio test — The likelihood ratio, often denoted by Lambda (the capital Greek letter lambda), is the ratio of the maximum probability of a result under two different hypotheses. A likelihood ratio test is a statistical test for making a decision between two… …

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  • 5Freedom of religion in Tajikistan — The Constitution provides for freedom of religion, and the Government generally respected this right in practice; however, there were some areas of concern.The status of respect for religious freedom eroded during recent years. Government… …

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  • 6degree — 1. One of the divisions on the scale of a measuring instrument such as a thermometer, barometer, etc. See Comparative Temperature Scales appendix. See scale. 2. The 360th part of the circumference of a circle. 3. A position or …

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  • 7Pearson's chi-squared test — (χ2) is the best known of several chi squared tests – statistical procedures whose results are evaluated by reference to the chi squared distribution. Its properties were first investigated by Karl Pearson in 1900.[1] In contexts where it is… …

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  • 8Degrees of freedom (statistics) — In statistics, the number of degrees of freedom is the number of values in the final calculation of a statistic that are free to vary.[1] Estimates of statistical parameters can be based upon different amounts of information or data. The number… …

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  • 9Pearson's chi-square test — Pearson s chi square ( chi;2) test is the best known of several chi square tests – statistical procedures whose results are evaluated by reference to the chi square distribution. Its properties were first investigated by Karl Pearson. In contexts …

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  • 10Transmission disequilibrium test — The transmission disequilibrium test (TDT) was proposed by [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve db=pubmed dopt=Abstract list uids=8447318 Spielman, McGinnis Ewens (1993)] as a family based association test for the presence… …

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