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  2. Golden Balls - Wikipedia

    en.wikipedia.org/wiki/Golden_Balls

    Each contestant is given a set of two balls, one each marked "Split" and "Steal," and must secretly choose one to indicate their intentions after looking inside to confirm which is which. The contestants may speak to each other and ask Carrott for advice before making their decision. If both choose Split, they each receive half the jackpot.

  3. Mixed-design analysis of variance - Wikipedia

    en.wikipedia.org/wiki/Mixed-design_analysis_of...

    In statistics, a mixed-design analysis of variance model, also known as a split-plot ANOVA, is used to test for differences between two or more independent groups whilst subjecting participants to repeated measures.

  4. Blocking (statistics) - Wikipedia

    en.wikipedia.org/wiki/Blocking_(statistics)

    In the statistical theory of the design of experiments, blocking is the arranging of experimental units that are similar to one another in groups (blocks) based on one or more variables. These variables are chosen carefully to minimize the affect of their variability on the observed outcomes.

  5. A/B testing - Wikipedia

    en.wikipedia.org/wiki/A/B_testing

    A/B testing (also known as bucket testing, split-run testing, or split testing) is a user experience research method. [1] A/B tests consist of a randomized experiment that usually involves two variants (A and B), [ 2 ] [ 3 ] [ 4 ] although the concept can be also extended to multiple variants of the same variable.

  6. Jackknife resampling - Wikipedia

    en.wikipedia.org/wiki/Jackknife_resampling

    In statistics, the jackknife (jackknife cross-validation) is a cross-validation technique and, therefore, a form of resampling. It is especially useful for bias and variance estimation. The jackknife pre-dates other common resampling methods such as the bootstrap .

  7. Natural experiment - Wikipedia

    en.wikipedia.org/wiki/Natural_experiment

    Using statistical methods developed in econometrics, [14] Angrist capitalized on the approximate random assignment of the Vietnam War draft lottery, and used it as an instrumental variable associated with eligibility (or non-eligibility) for military service. Because many factors might predict whether someone serves in the military, the draft ...

  8. Nvidia's split of soaring stock could boost retail investor ...

    www.aol.com/news/analysis-nvidias-split-soaring...

    NEW YORK (Reuters) -Nvidia's plan to split its stock after the stunning rise in the chipmaker's share price could lure more interest from retail investors while potentially paving the way for the ...

  9. Sampling (statistics) - Wikipedia

    en.wikipedia.org/wiki/Sampling_(statistics)

    In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. The subset is meant to reflect the whole population, and statisticians attempt to collect ...