SOC280 Lecture Notes - Lecture 8: Interquartile Range, Box Plot, Dependent And Independent Variables
9 Mar 2014
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Don"t misrepresent your data by adjusting the scale unless it makes sense (without being devious): histograms, they tell you how common certain answers are. i. If a score is between 1. 5 and three box lengths its considered an outlier. An extreme value is if it is three times the box lengths away, and is marked with a star. An outlier is marked with a circle: have to know what to do with outliers. Need to first make sure they"re legitimate scores (a dramatic outlier may be a missing value). They are also illegitimate if there is a typo in data entry. Or sometimes you have to do with an outlier that"s an extreme case that skews data. Do you get rid of them or not, since they are technically a legitimate case: displays the median, the middle 50% (the interquartile range ), the range, and outliers, attitudes towards canadian government by language spoken at home.
