3rd Quartile Meaning. The third quartile Q 3 is the median of the upper half not including the value of Q 2. The median is the second quartile.
Quartiles and the interquartile range can be used to group and analyze data sets. This means that about 75 of the numbers in the data set lie below Q3 and about 25 lie above Q3. - third one which is also referred to as upper quartile is.
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Now we can map out the four groups formed from the. The third quartile Q 3 is the 75th percentile. Jul 26 2010 The third quartile denoted by Q3 is the median of the upper half of the data set. - second one Q2 which is also known as the median.
