0
It's a value that is much different from the rest of the values. For example, if you were averaging the ages of all of the kids in a kiddy pool, and there is one adult in there - the adult's age would be considered an "outlier". Usually the outliers are discarded before measures of central tendencies are used.
1, 2, 8, 7, 5, 10, 200
200 Would be the outlier in this case.
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FranAn outlier is a number that is unusually different from the rest of the set.
An example would be if there were ten kids in a class, nine of them had grades of 90+ and one of them failed with a 0 (can happen if they never showed up).
The average of the entire class would go WAY down because of the 0.
Just assuming, for example, the grades were 91, 92, 93, 94, 95, 96, 97, 98, and 99, then without the outlier, the average would be 95. But if you put the 0 in, the average goes down to 85.5, which is nearly 10 point difference in average which is a big step when there are only 10 grades to begin with.
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What does the whisker in a box-and-whisker plot represent?
The whiskers mark the ends of the range of figures - they are the furthest outliers. * * * * * No. Outliers are not part of a box and whiskers plot. The whiskers mark the ends of the minimum and maximum observations EXCLUDING outliers. Outliers, if any, are marked with an X.
Can you safely remove outliers from scatter charts?
You can only do it if either the outliers are way out - so far that they must be odd, so far that there can be no argument, no need for statistics to prove them to be outliers, or you need to prove that they are outliers using statistics - something like Grubb's test. To do that, the simplest way is software.
Can outliers affect the symmetry of the data?
an outliers can affect the symmetry of the data because u can still move around it
How do you find clusters on a box and whisker plot?
You cannot, unless they are all outliers, and the plot records outliers separately.
Should you put outliers on a graph?
no
