A Global Positioning System (GPS) ________

question 250

Multiple Choice

A global positioning system (GPS) ________.

• A)occurs when a company places active or semi-passive RFID tags on expensive products or assets to gather data on the items' location with little or no manual intervention
• B)uses plastic or conductive polymers instead of silicon-based microchips, allowing them to be washed or exposed to water without damaging the chip
• C)measures the acceleration (the rate of change of velocity) of an item and is used to track truck speeds or taxi cab speeds
• D)provides extremely accurate position, time, and speed, using a satellite-based navigation system

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Definitions:

Expected Frequencies

In statistics, the anticipated counts in each category of a contingency table if there were no association between the variables.

Multiple Correlation

A statistical technique that predicts the value of one variable based on the combined values of two or more other variables.

Pearson Correlation

A measure of the linear correlation between two variables, quantified by a coefficient that ranges from -1 to 1.

Degrees Freedom

The number of independent pieces of information used in the calculation of a statistic, often symbolized as "df".