Question 32 - Test II Mathematics Practice Test for the GACE

Devlin was assigned by his teacher to gather some data from the bookstore across the street from his school. The teacher wanted to know how many mystery books were sold by the store each day for the last nine days. The owner of the bookstore gave Devlin this list of mystery book sales numbers, one number for each of those days.

\[{ 3, 1, 1, 4, 2, 4, 9, 3, 4 }\]

Which of the following statistical measures does the number \(4\) represent in this data set?

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