TABLE 2-6
a Sample of 200 Students at a Big-Ten

question 145

Multiple Choice

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc}\hline &\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$
-Referring to Table 2-6, of those who did well on the midterm in the sample,____ percent of them went bar hopping the weekend before the midterm.

• A) 27.27
• B) 50
• C) 15
• D) 30

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Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and is absorbed by plants in photosynthesis.

Hormone Levels

The concentration of hormones in the bloodstream, which regulate various processes in the body.

Organic Nutrients

Substances derived from living organisms necessary for growth and health, including vitamins, minerals, and amino acids.

Immune Antibodies

Proteins in the blood that are produced in response to and counteract specific antigens, playing a key role in the immune response.