Under the Direction of NYPD Deputy Commissioner Jack Maple, the NYPD

question 17

Multiple Choice

Under the direction of NYPD deputy commissioner Jack Maple, the NYPD began to make use of their own crime statistics and to track indicators of problems, such as the locations of _______.

• A) Broken windows
• B) Bars where bribes are handed out
• C) Crime victims and gun arrests
• D) Maps with pins

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Definitions:

Joint Probability

The probability of two events occurring together or at the same point in time.

E(XY)

The expected value of the product of two random variables, indicating their joint variability.

Coefficient of Correlation

A measure that indicates the extent to which two variables fluctuate together. A value closer to 1 or -1 indicates a strong relationship, while a value near 0 suggests no relationship.

X and Y

Typically used to represent independent and dependent variables in a mathematical function or data set, respectively.