Copy of Quiz3 - Post-Lecture, Question 1 The central...

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Unformatted text preview: Post-Lecture, Question 1 The central tendency or center of a set of data may be described by its ________. *mean Chapter 3, Summary: “The most common measures of central tendency are the three Ms: mode, median, and mean.” Post-Lecture, Question 2 The median of a set of numerical data is the ________. *middle value in the ordered set of data Section 3.1, Median: “The median is the middle value in an ordered array of numbers .” Post-Lecture, Question 3 The second quartile of a data set is always equal to its ________. *median Section 3.1, Quartiles: “ Quartiles are measures of central tendency that divide a group of data into four subgroups or parts . is located at the 50th percentile and equals the median of the data.” Post-Lecture, Question 4 For the data set containing five numbers, 24, 15, 19, 26, and 11, range is ________. *15 Range = largest number – smallest number = 26 – 11 =15 Post-Lecture, Question 5 For a set of data that are distributed in a bell or mound shape, approximately what percentage of...
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This note was uploaded on 01/06/2010 for the course STAT 201 taught by Professor Kim during the Spring '09 term at American Academy of Art.

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Copy of Quiz3 - Post-Lecture, Question 1 The central...

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