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1) Given the data 12, 39, 21, 18, 24, 17, 12, 25: What is the outlier in the data? What is the mean with the outlier? What is the mean without the outlier? A)12; 21; 18.4 B)12; 18.4; 21 C)39; 21; 18.4
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1) Given the data 12, 39, 21, 18, 24, 17, 12, 25:

What is the outlier in the data?
What is the mean with the outlier?
What is the mean without the outlier?

A)12; 21; 18.4

B)12; 18.4; 21

C)39; 21; 18.4

D)39; 18.4; 21

User Alex G Rice
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1 Answer

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In this data set, the outlier is 39 because it's value is not close to any of the other values.

The mean with the outlier is 12+12+17+18+21+24+25+39 = 168
168/8 = 21

The mean without the outlier is 12+12+17+18+21+24+25=129
129/7 = 18.4

These are choice C.
User Ikben
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