Answer:
10
Explanation:
Quartiles are the values that divide a list of numbers into quarters: Put the list of numbers in order. Then cut the list into four equal parts. The Quartiles are at the "cuts"
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Box and Whisker Plot
Quartile 1 (Q1) = (4+4)/2 = 4.
Quartile 2 (Q2) = (10+11)/2 = 10.5.
Quartile 3 (Q3) = (14+16)/2 = 15.