A Sports Researcher Is Interested in Determining If There Is $\chi ^ { 2 }$

question 31

Multiple Choice

A sports researcher is interested in determining if there is a relationship between the number of home team and visiting team wins and different sports. A random sample of 526 games is selected and the results are given below. Calculate the chi-square test statistic $\chi ^ { 2 }$ used to test the claim that the number of home team and visiting team wins is independent of the sport. Use $\alpha = 0.01$ .
$\begin{array}{l|cccc} & \text { Football } & \text { Basketball } & \text { Soccer } & \text { Baseball } \\\hline \text { Home team wins } & 39 & 156 & 25 & 83 \\\text { Visiting team wins } & 31 & 98 & 19 & 75\end{array}$

• A) 3.290
• B) 2.919
• C) 5.391
• D) 4.192

Understand the absorption and reflection of light wavelengths in visual perception.

Comprehend the role of cortical cells in motion detection and processing.

Analyze the evolutionary theories behind the development of human color vision.

Understand the concept of color constancy and its significance in visual perception.

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