Consider an Experiment in Which a Pharmaceutical Company Is Testing

question 43

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.
​​ $\begin{array}{|l|l|l|}\hline \text { Treatment } & \text { Chol. lower } & \begin{array}{l}\text { Chol. increased } \\\text { or the same }\end{array} \\\hline \text { Drug } & 64 & 36 \\\hline \text { Placebo } & 51 & 49 \\\hline \text { Control } & 48 & 52 \\\hline\end{array}$
-To determine whether there appears to be a statistically significant relationship between the treatment and changes in cholesterol level they would conduct a ?² analysis. When performing this analysis, which of the values below is closest to the ?² value they would compare the calculated value to in order to determine significance at the 5% level?

• A) 3.841
• B) 5.991
• C) 7.815
• D) 9.488

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Definitions:

Competing Values Framework

A model used to assess and categorize organizational culture and leadership based on conflicting values.

Market Culture

An organizational culture focused on competitive positioning and meeting market needs, characterized by a strong emphasis on results and customers.

Cultural Context

The environment of social behaviors, traditions, and beliefs that surround a particular subject or community.

Sequence

A specific order in which events, movements, or things follow each other.