Education Quality And Accountability Office (EQAO) Grade 9 Practice Exam

In the data set {2, 4, 4, 7, 9}, what is the mode?

4 2 7 9

Correct Answer:

Explanation:

Mode is the value that appears most often in a data set. In this set, 4 shows up twice while the others—2, 7, and 9—each appear once. Because 4 has the highest frequency, it is the mode. The other numbers don’t fit because they occur less frequently. (There would be more than one mode only if another value also appeared twice.)

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