When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Schirmer's test - Wikipedia

    en.wikipedia.org/wiki/Schirmer's_test

    Schirmer test = 0,00 in Sjögren's syndrome. The test works by the principle of capillary action, which allows the water in tears to travel along the length of a paper test strip in an identical fashion as a horizontal capillary tube. The rate of travel along the test strip is proportional to the rate of tear production.

  3. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr or 3 σ, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean ...

  4. List of statistical tests - Wikipedia

    en.wikipedia.org/wiki/List_of_statistical_tests

    Statistical tests are used to test the fit between a hypothesis and the data. [ 1 ] [ 2 ] Choosing the right statistical test is not a trivial task. [ 1 ] The choice of the test depends on many properties of the research question.

  5. File:Schirmer test =0,00.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Schirmer_test_=0,00.jpg

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  6. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4]

  7. Randomness test - Wikipedia

    en.wikipedia.org/wiki/Randomness_test

    A randomness test (or test for randomness), in data evaluation, is a test used to analyze the distribution of a set of data to see whether it can be described as random (patternless). In stochastic modeling , as in some computer simulations , the hoped-for randomness of potential input data can be verified, by a formal test for randomness, to ...

  8. Secrets to Scaling: Lessons from E-Commerce Expert Lukas Schirmer

    www.aol.com/secrets-scaling-lessons-e-commerce...

    Digital marketing is the secret to scaling your business to the top. It is easier for businesses to stand out in their respective industries if they develop digital marketing skills, but handing ...

  9. German tank problem - Wikipedia

    en.wikipedia.org/wiki/German_tank_problem

    During World War II, production of German tanks such as the Panther was accurately estimated by Allied intelligence using statistical methods. In the statistical theory of estimation , the German tank problem consists of estimating the maximum of a discrete uniform distribution from sampling without replacement .