Answer: 5
Step-by-step explanation:
First order from least to gratest: 3, 4, 5, 5, 5, 6, 6, 7, 8, 8, 9, 11
Then find median (center): 6
Next find the lower quartile also known as the first quartile: 5
Your answer is 5
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I hope this helps and may God bless you. Have a nice day, bye!