# Should I check for outliers?

### From PsychWiki - A Collaborative Psychology Wiki

**Should I check for outliers?**

- YES -- Outliers can render your data non-normal. Since normality is one of the assumptions for many of the statistical tests you will conduct, finding and eliminating the influence of outliers may render your data normal, and thus render your data appropriate for analysis using those statistical tests.
- NO --

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