The median is at 55. Therefore, the second quartile of the data set is: 55.
What is the Second Quartile of a Data?
50% of any given data set lies below the second quartile. Thus, the second quartile can be described as the median of a data set.
In a box-and-whisker plot, the median is the mark at where the vertical line divides the box of the box-and-whisker plot.
In the box-and-whisker plot given, the median is at 55. Therefore, the second quartile of the data set is: 55.
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