1. **State the problem:** We need to determine which data set matches the given box plot.
2. **Recall box plot components:** A box plot shows the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.
3. **Analyze the box plot:**
- Minimum (left whisker) is about 16.
- Maximum (right whisker) is about 28.
- The box extends from about 18 (Q1) to 26 (Q3).
- The median is near 22.
4. **Check each data set:**
- Calculate min, Q1, median, Q3, max for each.
**Set A:** 16,16,16,20,21,23,23,25,26,28,28,28
- Sorted: same
- Min = 16
- Max = 28
- Median (middle two values 23,23) = 23
- Q1 (median of first half): median of 16,16,16,20,21,23 = between 16 and 20 = 18
- Q3 (median of second half): median of 23,25,26,28,28,28 = between 26 and 28 = 27
- Median 23 is higher than box plot median ~22, Q3 27 higher than box plot Q3 26
**Set B:** 16,16,16,20,21,21,23,25,26,26,28,28
- Min = 16
- Max = 28
- Median (middle two values 23,25) = 24
- Q1 median of 16,16,16,20,21,21 = between 16 and 20 = 18
- Q3 median of 25,26,26,28,28,28 = between 26 and 26 = 26
- Median 24 is higher than box plot median ~22
**Set C:** 15,16,16,20,21,21,23,25,26,26,28,28
- Min = 15 (box plot min ~16, so no)
**Set D:** 16,16,16,16,21,23,23,25,26,26,28,28
- Min = 16
- Max = 28
- Median (middle two values 23,23) = 23
- Q1 median of 16,16,16,16,21,23 = between 16 and 16 = 16
- Q3 median of 23,25,26,26,28,28 = between 26 and 26 = 26
- Median 23 higher than box plot median ~22, Q1 16 lower than box plot Q1 18
5. **Conclusion:** Set A best matches the box plot with min 16, max 28, Q1 ~18, Q3 ~27, median 23 close to 22.
**Final answer:** Set A
Box Plot Data B5B94A
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