Posted by **Not Sure** on Monday, March 11, 2013 at 9:33am.

Given the following values, which number would be considered an outlier?

0.9, 2.1, 3.2, 3.9, 7.4, 5.8, 7.2, 8, 9.1

2.1

9.1

8

7.4

________________________________________

I'm not sure because I was taught that an outlier is either too high or too low so it doesn't fit in the data.

- math -
**Steve**, Monday, March 11, 2013 at 10:27am
well, since the mean is 5.3, I'd go with 0.9, but as that's not a choice, the only selection left is 9.1, but it's not much of an outlier.

- math -
**Not Sure**, Monday, March 11, 2013 at 2:10pm
Weird... I got it wrong. The right answer was 7.4 O.O

Does anybody understand why? I don't.

- math -
**Steve**, Monday, March 11, 2013 at 2:57pm
it's weird, all right. 7.4 is the median. Surely not an outlier.

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