Shown Below Is a 3 × 2 Contingency Table with Observed

question 31

Essay

Shown below is a 3 × 2 contingency table with observed values from a sample of 1,500. At 95% confidence, test for independence of the row and column factors. $$\begin{array} { c | c c | c } &{ \text { Column Factor } } & \\\text { Row Factor } & x & y & \text { Total } \\\hline \text { A } & 450 & 300 & 750 \\\text { B } & 300 & 300 & 600 \\\text { C } & 150 & 0 & 150 \\\hline \text { Total } & 900 & 600 & 1,500\end{array}$$

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