A data set for analysis includes only one attribute X:  X = {7, 12, 5, 18, 5, 9, 13, 12, 19, 7, 12, 12, 13, 3, 4, 5, 13, 8, 7, 6}.  (a) What is the mean of the data set X?  (b) What is the median?  (c) What is the mode, and what is the modality of the data set X?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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Chapter9: Solving Quadratic Functions
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A data set for analysis includes only one attribute X:

 X = {7, 12, 5, 18, 5, 9, 13, 12, 19, 7, 12, 12, 13, 3, 4, 5, 13, 8, 7, 6}.

 (a) What is the mean of the data set X?

 (b) What is the median?

 (c) What is the mode, and what is the modality of the data set X?

 (d) Find the standard deviation for X.

 (e) Give a graphical summarization of the data set X using a boxplot representation.

 (f) Find outliers in the data set X. Discuss the results.

(Please don't give handwritten solution)

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