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# A network security specialist records the number of incoming e-mails containing links that six randomly-selected network users receive in a day....

A network security specialist records the number of incoming e-mails containing links that six randomly-selected network users receive in a day. Numbers are 186, 117, 122, 153, 122, and 134.

(a) State the mode (if one exists).

(b) Find the median. Show work/explanation.

(c) Determine the sample mean. Show work

(d) Using the sample mean found in part (c), and given that the sample standard deviation of the data set above is 26.43, what percentage of the data set falls within one standard deviation of the mean? Show work/explanation.

A. 34.2%

B. 50.0%

C. 66.7%

D. 68.3%