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MMLU-Pro / 8008 / Which of the following is not true with regard to contingency tables for…

Problem

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question

Which of the following is not true with regard to contingency tables for chi-square tests for independence?

category

math

options

  1. Expected frequencies in each cell should be at least 5, and to achieve this, one sometimes combines categories for one or the other or both of the variables.
  2. Expected frequencies should be whole numbers.
  3. Contingency tables are not required for chi-square tests for independence.
  4. Observed frequencies should be whole numbers.
  5. The categories are not numerical for either variable.

src

ori_mmlu-high_school_statistics

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