The second quartile is the median of the data.
There are a total of 26 data values.
Therefore, the median is given by the average of the 13 th and the 14 th data points.
The 13 th data is 27
The 14 th data is 31
The average of the 13 th and the 14 th is given by:
[tex]\frac{27+31}{2}=\frac{58}{2}=29[/tex]
Hence, the second quartile is 29
