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jschipper

  • 3 years ago

use of chi square

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  1. poopsiedoodle
    • 3 years ago
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    wat

  2. LolWolf
    • 3 years ago
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    You mean a chi-squared distribution? It's widespread use in almost anything relating to hypothesis testing (e.g. confidence intervals, statistical inference, et al).

  3. blues
    • 3 years ago
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    It is widely used in inference and hypothesis testing to analyse associations. In categorical factors. Like is a factor like smoking (maybe in a non-smoking control group, a 1 pack a day group and a 2 pack a day group) associated with some outcome like increases in number of deaths from lung cancer or associated with more aggressive forms of lung cancer? You would use a chi square procedure to construct a confidence interval or run a hypothesis test or whatever to determine whether or not cigarette smoking is associated with bad outcomes.

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