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Tim was planning for a meeting with his boss to discuss a raise in his annual salary.In preparation,he wanted to use the Consumer Price Index to determine the percentage increase in his real (inflation-adjusted) salary over the last three years.Which of the 4 methods of data collection was involved when he used the Consumer Price Index?
Standard Deviation
A statistical measure of the dispersion or variability within a dataset, indicating how spread out the data points are from the mean.
Hours
A unit of time equal to 60 minutes.
Computers
Electronic devices that can store, retrieve, and process data, and execute programmed instructions.
Probability
The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.
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