Consider the following data set. You may assume that the mean of this data set is x¯ = 7. 8 10 3 5 7 5 11 a)  Find the range of the data set. b)  Find the standard deviation of the data set.  c)  How many of the seven data points lie within one standard deviation of the mean?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Consider the following data set. You may assume that the mean of this data set is x¯ = 7. 8 10 3 5 7 5 11

a)  Find the range of the data set.

b)  Find the standard deviation of the data set. 

c)  How many of the seven data points lie within one standard deviation of the mean?

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