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SCENARIO 3-3
The ordered array below represents the number of vitamin supplements sold by a health food store in
a sample of 16 days.
19, 19, 20, 20, 22, 23, 25, 26, 27, 30, 33, 34, 35, 36, 38, 41
Note: For this sample, the sum of the values is 448, and the sum of the squared differences between
each value and the mean is 812.
-Referring to Scenario 3-3,the coefficient of variation of the number of vitamin supplements sold in this sample is percent_____.
VoIP
Voice over Internet Protocol, a technology that allows voice calls to be made using a broadband Internet connection instead of a regular phone line.
World Wide Web
An information system where documents and other web resources are identified by Uniform Resource Locators (URLs), interconnected by hyperlinks, and accessed via the Internet.
Input Device
Hardware used to enter data or commands into a computer system, such as a keyboard, mouse, or scanner.
Touch Pad
A pointing device featuring a tactile surface that detects the movement and pressure of the user’s fingers.
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