A Researcher Reports a Pearson R of

question 27

Multiple Choice

A researcher reports a Pearson r of .57 between gender (female = 0,males = 1) and involvement in juvenile delinquency.Which of the following is an appropriate interpretation?

• A)females are more delinquent
• B)there is no relationship between the variables
• C)delinquency increases as gender "increases"
• D)only males were delinquent

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Definitions:

Standard Deviation

A statistical measure that represents the dispersion or variability of a data set or investment returns, indicating how much the values in the set deviate from the mean.

Sharpe Ratio

A measure used to assess the risk-adjusted return of an investment by comparing its excess return to its standard deviation of returns.

Holding Period

The length of time an investment is held by an investor before being sold, which can affect tax treatment and investment strategy.

Correlation Coefficients

A measure that indicates the extent to which two variables change together, ranging from -1 to 1, where 1 means perfect positive correlation, and -1 means perfect negative correlation.