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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Definitions:

Practical Intelligence

The ability to solve everyday problems through adept reasoning and experience.

Triarchic Theory

A theory proposed by Robert Sternberg that intelligence consists of three components: analytical, creative, and practical intelligence.

Investigation Intelligence

The process of collecting, analyzing, and utilizing information effectively for the purpose of solving crimes or uncovering information.

Mental Processes

involve cognitive activities such as thinking, perceiving, and decision-making that occur within the human mind.