The performance time (minutes) for Beethoven's Ninth Symphony is obtained from each of seven compact discs. 66.9
Question:
The performance time (minutes) for Beethoven's Ninth Symphony is obtained from each of seven compact discs.
66.9 66.2 71.0 68.6 65.4 68.4 71.9
(a) Find the sample median.
(b) Find the sample mean.
(c) Find the sample standard deviation.
(d) Use software to check your answers to parts (b) and (c) Using R: mean(x) and sd(x) after setting
X = c(66.9,66.2, 71,68.6,65.4,68.4, 71.9)
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a Median 684 b x 47847 6834...View the full answer
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Related Book For 
Statistics Principles And Methods
ISBN: 9781119497110
8th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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