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Критерий хи-квадрат Критерий хи-квадрат
Критерий хи-квадрат — любая статистическая проверка гипотезы, в которой выборочное распределение критерия имеет распределение хи-квадрат при условии верности нулевой гипотезы. Википедия
A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model results. Chi-Square (χ2) Statistic · Formula · What It Can Tell You
A chi-squared test (also chi-square or χ 2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large.
31 мая 2022 г. · Use the table below to find the chi-square critical value for your chi-square test or confidence interval or download the chi-square distribution table (PDF). When to use a chi-square... · How to use the table
6 дней назад · The Chi-Square test is a statistical procedure for determining the difference between observed and expected data.
It can be shown mathematically that if χ is a Normally distributed variable, mean zero and variance 1, then x² has a χ² distribution with one degree of freedom.
The chi-squared statistic is a single number that tells you how much difference exists between your observed counts and the counts you would expect.
The chi-squared test checks the difference between the observed value and the expected value. Chi-Square shows or in a way check the relationship between two ...
23 мая 2022 г. · A chi-square (Χ²) test is a statistical test for categorical data. It determines whether your data are significantly different from what you ... Chi-square critical value table · Of Independence · Assumptions of parametric tests
In a chi-square analysis, the p-value is the probability of obtaining a chi-square as large or larger than that in the current experiment and yet the data will ...
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