A sorted list has 12 values: 3, 5, 7, 8, 9, 10, 12, 13, 14, 16, 18, 21.
What is Q1?
- A
8
- B
11
- Ccheck_circle
7.5
- D
5
Explanation
Lower half (6 values): 3,5,7,8,9,10. Median of these = (7+8)/2 = 7.5.
Summary Statistics for a Quantitative Variable
AP Statistics· difficulty 3/5
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