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SCENARIO 11-3
As part of an evaluation program,a sporting goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles.She took 3 of each brand and determined their maximum downhill speeds.The results are presented in miles per hour in the table below.
-Referring to Scenario 11-3,the test is valid only if the population of speeds has the same variance for the 4 brands.
Standard Deviations
The measure of the dispersion or spread of data points in a data set from its mean, reflecting how much variation there is from the average.
Data Set
A collection of related sets of information that is composed of separate elements but can be manipulated as a unit by a computer.
CAT Mnemonic
A memory aid used to recall specific information, but without more context, the exact application of "CAT" cannot be determined.
Accomplish Change
To accomplish change means to successfully bring about a difference in someone's behavior, thoughts, or circumstances through deliberate efforts or interventions.
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