(a)
To Explain: the spread in running times on the basis of the
(a)
Explanation of Solution
Given:
Quartile: the middle 50% of runners ran between 97 and 119 minutes, for a 22 minute
(b)
To Explain: the about of spread.
(b)
Explanation of Solution
Given:
The use of standard deviation might be misleading here. The data is skewed rightward, with few outliers that cause the spread to be a little misrepresented. In general, the spread would be smaller if these items were not here.
Chapter 4 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Introductory Statistics
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Elementary Statistics: Picturing the World (7th Edition)
Elementary Statistics
Intro Stats, Books a la Carte Edition (5th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
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