WEBVTT
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The table below shows the number of messages exchanged on the smart phones of 14 students over a single month.
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The data has also been plotted on a dot plot.
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Are there any outliers in this data set?
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If so, specify the value or values of these outliers.
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If we’re just given a table of data, the outlier isn’t always apparent.
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One benefit of a graph like this is we’re able to see the data points in relation to each other.
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We can very quickly see that we have one data point that is far away from most of the others.
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The data points here primarily fall between 2800 and 5500 with only one point falling outside this range.
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On the graph, we can identify this as the data point 9754.
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In this data, there is one outlier, and it’s 9754.