Math Problem Statement
en español por favor, si me lo puedes resolver
Solution
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Math Problem Analysis
Mathematical Concepts
Chi-square Test
Hypothesis Testing
Independence Test
Goodness of Fit Test
Formulas
Chi-square formula: χ² = Σ ((O - E)² / E)
Degrees of freedom: df = (r-1)(c-1)
Expected frequency formula: E_ij = (F_i * C_j) / N
Theorems
Chi-square Distribution
Null Hypothesis (H₀) Testing
Significance Level (α)
Suitable Grade Level
Undergraduate (Statistics/Business)
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