Between 2011 and 2012 the Gang Crime Rate in Los

question 26

Multiple Choice

Between 2011 and 2012 the gang crime rate in Los Angeles fell by more than 10%.The mayor attributed this drop in crime to:

• A)Stricter gun controls.
• B)Stricter enforcement of immigration laws.
• C)Adding hundreds more police officers to the force.
• D)More public involvement.

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Definitions:

Variance

A measure of variability that describes the spread of a data set or distribution.

Standard Deviation

A measure of the dispersion or variability within a dataset, indicating how spread out the values are from the mean.

Coefficient Of Variation

A consistent way to quantify the variability of a probability or frequency distribution, represented as a proportion of the mean.

Range

The gap between the maximum and minimum numbers within a dataset.