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2. Strictly standardized mean difference - Wikipedia

   en.wikipedia.org/wiki/Strictly_standardized_mean...

   Strictly standardized mean difference. In statistics, the strictly standardized mean difference (SSMD) is a measure of effect size. It is the mean divided by the standard deviation of a difference between two random values each from one of two groups. It was initially proposed for quality control [ 1 ] and hit selection [ 2 ] in high-throughput ...

3. Effect size - Wikipedia

   en.wikipedia.org/wiki/Effect_size

   In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of a parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...

4. Fineness - Wikipedia

   en.wikipedia.org/wiki/Fineness

   The karat (US spelling, symbol k or Kt) or carat (UK spelling, symbol c or Ct) [17] [18] is a fractional measure of purity for gold alloys, in parts fine per 24 parts whole. The karat system is a standard adopted by US federal law.

5. f-number - Wikipedia

   en.wikipedia.org/wiki/F-number

   f-number. Diagram of decreasing apertures, that is, increasing f-numbers, in one-stop increments; each aperture has half the light-gathering area of the previous one. An f-number is a measure of the light-gathering ability of an optical system such as a camera lens. It is calculated by dividing the system's focal length by the diameter of the ...

6. List of U.S. states and territories by African-American ...

   en.wikipedia.org/wiki/List_of_U.S._states_and...

   The table below shows the percentage of free blacks as a percentage of the total black population in various U.S. regions and U.S. states between 1790 and 1860 (the blank areas on the chart below mean that there is no data for those specific regions or states in those specific years). [citation needed]

7. 8 - Wikipedia

   en.wikipedia.org/wiki/8

   8 Women (Original French title: 8 femmes) is a 2001 film directed by François Ozon. [87] Eight Below is a 2006 film directed by Frank Marshall. [88] Eight Legged Freaks is a 2002 film directed by Ellory Elkayem. [89] Eight Men Out is a 1988 film directed by John Sayles. [90]

8. Software versioning - Wikipedia

   en.wikipedia.org/wiki/Software_versioning

   Software versioning. Software versioning is the process of assigning either unique version names or unique version numbers to unique states of computer software. Within a given version number category (e.g., major or minor), these numbers are generally assigned in increasing order and correspond to new developments in the software.

9. Null hypothesis - Wikipedia

   en.wikipedia.org/wiki/Null_hypothesis

   Consider the following example. Given the test scores of two random samples, one of men and one of women, does one group score better than the other? A possible null hypothesis is that the mean male score is the same as the mean female score: H 0: μ 1 = μ 2. where H 0 = the null hypothesis, μ 1 = the mean of population 1, and μ 2 = the mean ...