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March 27, 2017

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2.

Find the outlier in the data set and tell how it affects the mean.

4, 4, –6, –2, 14, 1, 1
(1 point)

–6; it raises the mean by about 1.
–6; it lowers the mean by about 1.
14; it raises the mean by about 1.9.
14; it lowers the mean by about 1.9.



5.
22.6 is an outlier for which of the following sets of data? (1 point)

22.6, 21.5, 23.7, 22.6, 28.9, 22.6, 20.9
2.4, 5.3, 3.5, 22.6, 1.8, 2.1, 4.6, 1.9

20.5, 20.8, 21.6, 22.6, 23.7, 24.5, 25.1
13.6, 31.7, 25.8, 22.6, 18.9, 21.6, 30.5

My answers:
2. 14; it raises the mean by about 1.9.
5. 2.4, 5.3, 3.5, 22.6, 1.8, 2.1, 4.6, 1.9

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