Instruction 2 -Referring to Instruction 2

question 45

Multiple Choice

Instruction 2.9
A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following table contains the result.
$$\begin{array} { | l | l | l | } \hline & \text { Did Well on Exam } & \text { Did Poorly on Exam } \\\hline \text { Studying for Exam } & 80 & 20 \\\hline \text { Went out on the weekend } & 30 & 70 \\\hline\end{array}$$
-Referring to Instruction 2.9,of those who did well on the exam in the sample,_________ % of them went out on the weekend before the exam.

• A) 30
• B) 50
• C) 15
• D) 27.27

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Definitions:

Strong Relationship

A significant and intense association or correlation between two or more variables in a study or analysis.

Direct Correlation

A relationship between two variables such that as the value of one variable increases, the value of the other variable also increases, and vice versa.

Restricted Range

A situation in which the variability of a variable is constrained or limited, affecting statistical outcomes.

Moderate Relationship

A term describing a level of correlation between two variables that is neither weak nor strong, suggesting some degree of association but not a perfect or near-perfect linear relationship.