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In statistics, an '''''F''-test of equality of variances''' is a [[statistical test|test]] for the [[null hypothesis]] that two [[normal distribution|norm ...ample variance]]s.<ref>Snedecor, George W. and Cochran, William G. (1989), Statistical Methods, Eighth Edition, Iowa State University Press.</ref> This particular ...

...Association Between Two Attributes| year=1912|journal=Journal of the Royal Statistical Society|volume=75|issue=6|pages=579–652|doi=10.2307/2340126|jstor=2340126|u ...an be transformed in a table with an equal degree of association (the odds ratios of both tables are equal). ...

When performing [[multiple comparisons]] in a [[statistics|statistical]] framework such as above, the '''false positive ratio''' (also known as th ...in diagnostic device is 1%"), while type I error is a term associated with statistical tests, where the meaning of the word "positive" is not as clear (i.e. "the ...

...s search to distributions whose parameters could be estimated using simple statistical approaches. Then, Halphen introduced for the first time what he called the ...ite journal|last=Rukhin|first=A.L.|title=Strongly symmetrical families and statistical analysis of their parameters|year=1978|journal= Journal of Soviet Mathemati ...

...more than two [[categorical variable]]s. The technique is used for both [[Statistical hypothesis testing|hypothesis testing]] and model building. In both these u ...e observations are [[Independence (probability theory)|independent]] and [[Statistical randomness|random]]; ...

...sions of the Mantel–Haenszel Procedure | journal = Journal of the American Statistical Association | date = September 1963 | volume = 58 | number = 303 | pages = ...ard odds- or [[risk ratio]] of all strata could be calculated, giving risk ratios <math>r_1, r_2, \dots, r_n</math>, where <math>n</math> is the number of st ...

...cative of better test performance.<ref name="Glas 2003" /> Diagnostic odds ratios less than one indicate that the test can be improved by simply inverting th ...s also related to the [[Likelihood ratios in diagnostic testing|likelihood ratios]], <math>LR+</math> and <math>LR-</math>:<ref name="Glas 2003" /> ...

The uncertainty coefficient is useful for measuring the validity of a statistical classification algorithm and has the advantage over simpler accuracy measur |title = Efficient statistical classification of satellite measurements ...

{{Short description|Statistical measure of association}} ..."Ref_a">Sheskin, David J. (1997). Handbook of Parametric and Nonparametric Statistical Procedures. Boca Raton, Fl: CRC Press.</ref> and may be used with variables ...

...cumulative distribution function. The two fractions are the inverse Mills ratios.<ref>{{cite book |last=Greene |first=W. H. |year=2003 |title=Econometric An ...urnal |last=Heckman |first=J. J. |year=1976 |title=The common structure of statistical models of truncation, sample selection and limited dependent variables and ...

...itle=Some problems in interval estimation. |journal=[[Journal of the Royal Statistical Society, Series B]] |volume=16 |issue= 2|pages=175–185 |year=1954 |jstor=29 ...itle=Bootstrapping: estimating confidence intervals for cost-effectiveness ratios|pmid=10326078 |doi-access=free}}</ref> ...

...|chapter=Logistic Normal Distribution |title=International Encyclopedia of Statistical Sciences| year=2011|pages=754–755 |doi=10.1007/978-3-642-04898-2_342|publis === Use in statistical analysis === ...

[[Category:Statistical ratios]] ...

{{Short description|Statistical sequence characterizing probability distributions}} ...the conventional [[mean]]). Standardised L-moments are called '''L-moment ratios''' and are analogous to [[standardized moment]]s. Just as for conventional ...

:: <math>\frac{g_+}{g_0}</math> = ratio of statistical weights (degeneracy) of ionic (''g''₊) and neutral (''g''<sub>0< ...ve abundances of different isotopes can then be measured, yielding isotope ratios. ...

{{Short description|Statistical theorem}} ...This is often a problem for [[Likelihood-ratio test#Definition|likelihood ratios]], where the probability distribution can be very difficult to determine. ...

===Natural bias ratios of asset returns=== ...vestments such as 90-day [[T-bills#Treasury bill|T-Bills]] have large bias ratios, because they generally do not experience periodic negative returns. Conse ...

The '''ratio estimator''' is a [[statistical estimator]] for the [[ratio]] of [[Arithmetic mean|mean]]s of two random va ==Statistical properties== ...

...reliance on the rare disease assumption when discussing [[Odds ratio|odds ratios]] as risk should be explicitly stated and discussed. [[Category:Statistical hypothesis testing]] ...

{{Short description|Statistical measure of fit}} ...res of fit for logistic regression |last=Allison |first=Paul D. |publisher=Statistical Horizons LLC and the University of Pennsylvania}}</ref> ...