Over the Last Twenty Years in the U

question 2

Multiple Choice

Over the last twenty years in the U.S., the number of banks has:

• A)Steadily increased
• B)Stayed about the same
• C)Steadily decreased
• D)More than doubled

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Definitions:

API Gravity

A measure used to quantify the density of petroleum liquids relative to water, as defined by the American Petroleum Institute.

Price Per Barrel

The cost of a barrel of goods, commonly used in reference to crude oil prices in the commodities market.

Outlier

An observation in a dataset that is distant from other observations such that it appears to deviate markedly from other members of the sample.

Autocorrelation

The correlation of a signal with a delayed copy of itself as a function of delay.