Mathematics · Statistics
In a contingency table with 5 columns and 3 rows, if one column is merged with an adjacent column prior to performing a Chi-Square test, what is the effect on the degrees of freedom (df)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Will remain the same
- 2Will increase by 4
- 3Will decrease by 4
- 4Will decrease by 2✓
Correct answer
Will decrease by 2
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