Under What Circumstances Is the Point-Biserial Correlation Used?​

question 3

Multiple Choice

Under what circumstances is the point-biserial correlation used?​

• A)​in the same circumstances when a repeated-measures t test would be used
• B)​when X consists of regular, numerical scores but Y is dichotomous
• C)​when both X and Y are dichotomous variables
• D)​when both X and Y are measured on an ordinal scale (ranks)

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Expected Return

The anticipated return on an investment, calculated based on the probabilities of various outcomes.

Portfolio

A collection of financial assets such as stocks, bonds, commodities, currencies, and cash equivalents held by an investment company, institution, or individual.

Portfolio

A group of financial instruments comprising equities, debentures, commodities, liquid assets, and near cash items, in addition to closed-end funds and exchange traded funds (ETFs).