it is the top 25% of the data.
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1. Define the upper quartile more formally. The upper quartile may also be called the third quartile and is frequently designated as Q3. Since it separates the highest 25 percent
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The third quartile (designated Q3) = upper quartile = cuts off highest 25% of data, or
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It's easy to find out: just plug in the sequence 1, 2, 3, 4, 5 and ask for the statistics. The first quartile comes back as 1.75. Therefore, it's picking a point between 1 and 2 and
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