Because Students Who Took a Calculus Course Do Better in Biology

question 142

Multiple Choice

Because students who took a calculus course do better in biology than students who did not take calculus,a researcher concludes that understanding calculus is helpful for understanding biology.What is wrong with this study?​

• A)Calculus is a more difficult subject than biology.
• B)​Biology is a more difficult subject than calculus.
• C)​The research had too many independent variables.
• D)​Students were not randomly assigned to groups.

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Definitions:

Systematic Risk

The inherent risk affecting the overall market or a particular sector, which cannot be eliminated through diversification.

Market Risk

The risk of losses in investments due to factors that affect the entire market or asset class, such as economic changes or political events.

Firm-specific Risk

The type of risk that affects a particular company or industry, also known as unsystematic risk.

Diversified Away

The risk that can be reduced or eliminated in a portfolio through investments in a variety of assets, thus not tied to the performance of a single investment.