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The following table presents the number of police officers (per 100,000 citizens) and the annual murder rate (per 100,000 citizens) for a sample of cities.
The correlation coefficient between the per capita number of police officers and the per capita murder rates -0.666. Which of the following is the best interpretation of the correlation coefficient?
Depreciation
A reduction in the value of an asset over time, often due to wear and tear or obsolescence.
Investment
The act of allocating resources, usually money, into something to earn income or gain profits.
GDP Deflator
A scale for assessing the cost of all newly manufactured, domestic final goods and services in a country's economy.
Real GDP
The measure of a country's economic output adjusted for price changes and inflation, reflecting the true value of goods and services produced.
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