The Two-proportion Z-test (or, Two-sample proportion Z-test) is a statistical method used to determine whether the difference between the proportions...

A Z-test is any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution...

50% proportion). Chi-squared tests use the same calculations and the same probability distribution for different applications: Chi-squared tests for variance...

Pearson's chi-squared test Student's t-test#Two-sample_t-tests Welch's t-test Tukey–Duckworth test Mann–Whitney U test Two-proportion Z-test A/B testing v t e...

bandit Multivariate testing Randomized controlled trial Scientific control Stochastic dominance Test statistic Two-proportion Z-test Young, Scott W. H....

In statistics, a binomial proportion confidence interval is a confidence interval for the probability of success calculated from the outcome of a series...

binomial test is a statistical hypothesis test used to determine whether the proportion of successes in a sample differs from an expected proportion in a...

known and calculated from data, an accuracy comparison test could be made using "Two-proportion z-test, pooled for Ho: p1 = p2". Not used very much is the...

permutation test (also called re-randomization test or shuffle test) is an exact statistical hypothesis test. A permutation test involves two or more samples...

from two populations have the same distribution. Nonparametric tests used on two dependent samples are the sign test and the Wilcoxon signed-rank test. Although...

The logrank test, or log-rank test, is a hypothesis test to compare the survival distributions of two samples. It is a nonparametric test and appropriate...

If the test statistic T is reported, an equivalent way to compute the rank correlation is with the difference in proportion between the two rank sums...

by the precision of the z-buffer. It can also vary as the scene or camera is changed, causing one polygon to "win" the z test, then another, and so on...

the proportion of substitutions that resulted from positive selection (also known as directional selection). To do this, the McDonald–Kreitman test compares...

hypothesis testing when conducting multiple comparisons. FDR-controlling procedures are designed to control the FDR, which is the expected proportion of "discoveries"...

hypothesis. When the test is applied to a contingency table containing two rows and two columns, the test is equivalent to a Z-test of proportions.[citation...

The Miller–Rabin primality test or Rabin–Miller primality test is a probabilistic primality test: an algorithm which determines whether a given number...

test is primarily used to examine whether two categorical variables (two dimensions of the contingency table) are independent in influencing the test...

is more than z α σ / n {\displaystyle z_{\alpha }\sigma /{\sqrt {n}}} ' is a decision rule which satisfies (2). (This is a 1-tailed test.) In such a scenario...

ratio was called the extreme and mean ratio by Euclid, and the divine proportion by Luca Pacioli; it also goes by other names. Mathematicians have studied...

the proportion of data values within z standard deviations of the mean is defined by: Proportion = erf ⁡ ( z 2 ) {\displaystyle {\text{Proportion}}=\operatorname...

The Turing test, originally called the imitation game by Alan Turing in 1949, is a test of a machine's ability to exhibit intelligent behaviour equivalent...

Q R S T U V W X-Z See also References External links Safe failure fraction (SFF) A term used in functional safety for the proportion of failures that...

statistics, sensitivity and specificity mathematically describe the accuracy of a test that reports the presence or absence of a medical condition. If individuals...

z 2 2 d z ≈ 0.6826894921 Pr ( μ − 2 σ ≤ X ≤ μ + 2 σ ) = 1 2 π ∫ − 2 2 e − z 2 2 d z ≈ 0.9544997361 Pr ( μ − 3 σ ≤ X ≤ μ + 3 σ ) = 1 2 π ∫ − 3 3 e − z...

pandemic. The two main types of tests detect either the presence of the virus or antibodies produced in response to infection. Molecular tests for viral presence...

preferred. The FDR, loosely defined as the expected proportion of false positives among all significant tests, allows researchers to identify a set of "candidate...

of a hypothesis test, a "proportion z-test", for the value of p using x/n, the sample proportion and estimator of p, in a common test statistic. For example...

precision) (TP/(TP+FP)). These are the proportion of the population with a given test result for which the test is correct. with complement the false discovery...

toss)? E = Z 2 n {\displaystyle E={\frac {Z}{2\,{\sqrt {n}}}}} E = Z 2 10000 = Z 200 {\displaystyle E={\frac {Z}{2\,{\sqrt {10000}}}}={\frac {Z}{200}}} E...