The Lower or First Quartile (Q1) signifies the midpoint between the smallest value in a dataset and the median. Essentially, it separates the bottom 25% of data from the top 75%. To locate it, one should organize the data in increasing order, then identify the median of the bottom half.
| Topic | Problem | Solution |
|---|---|---|
| None | Given a data set of {3, 7, 8, 5, 12, 14, 21, 13, … | Step 1: First, we need to sort the data from lowest to highest, we get {3, 5, 7, 8, 12, 13, 14, 18,… |