Data That Has Been Specified, Collected, and Recorded by Someone

question 25

Multiple Choice

Data that has been specified, collected, and recorded by someone other than the user are known as

• A)historical data.
• B)external data.
• C)primary data.
• D)secondary data.
• E)tertiary data.

Interpret the significance of correlation coefficients in research contexts.

Differentiate between positive and negative correlations.

Apply critical values for decision making in hypothesis testing with correlation analyses.

Recognize the Spearman rank-order correlation as a measure for ordinal data.

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Definitions:

Unsystematic Risk

The risk associated with a specific company or industry, which can be mitigated through diversification.

Diversification

A risk management strategy that mixes a wide variety of investments within a portfolio to reduce exposure to any single asset or risk.

Weights

In finance, it often refers to the ratios or percentages assigned to different components of a portfolio or an index, indicating their relative importance.

Expected Return

The anticipated profit or loss of an investment, calculated by taking the average of possible returns weighted by their probabilities.