In a survey, 30 college students were asked what their usual bedtime was and the results are
Question:
a. Determine the five-number summary for the bed times.
b. What is the inter-quartile range?
c. The earliest bedtime is 11:30 pm (represented by ˆ’0.50 on the graph). If that person€™s usual bedtime is actually 9:00 pm and that change was made in the dotplot, does that change the inter-quartile range? Would it change the standard deviation?
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Related Book For 
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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