Consider an Experiment in Which a Pharmaceutical Company Is Testing

question 35

Multiple Choice

Consider an experiment in which a pharmaceutical company is testing a new drug that they hope will lower cholesterol levels. They administer three treatments: A dose of the drug, a dose of a placebo, and a control group that receives neither drug nor placebo. after 24 hours they then measured the cholesterol levels and compared the values to baseline levels measured prior to treatment. The table below shows the results of the experiment.
​​ $\begin{array}{|l|l|l|}\hline \text { Treatment } & \text { Chol. lower } & \begin{array}{l}\text { Chol. increased } \\\text { or the same }\end{array} \\\hline \text { Drug } & 64 & 36 \\\hline \text { Placebo } & 51 & 49 \\\hline \text { Control } & 48 & 52 \\\hline\end{array}$
-Assuming a null hypothesis of no relationship between diet and weight gain, which of the following values is closest to the expected count of individuals in the placebo group that showed lower cholesterol levels?

• A) 46
• B) 49
• C) 51
• D) 54

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Definitions:

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A blood test that measures how quickly red blood cells settle at the bottom of a test tube, indicating inflammation in the body.

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Necrotic Processes

Biological processes involving the death of cells and tissues in the body, often due to injury or disease.

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A blood test that measures how long it takes blood to clot, often used to monitor blood-thinning medication.