Math Problem Statement
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Solution
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Math Problem Analysis
Mathematical Concepts
Chi-square test
Hypothesis testing
Statistical independence
Formulas
Expected Frequency: E_{ij} = (F_i * F_j) / N
Chi-square statistic: χ² = Σ (O_{ij} - E_{ij})² / E_{ij}
Theorems
Chi-square distribution
Hypothesis testing for independence
Suitable Grade Level
Undergraduate Statistics
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