UPSKILL MATH PLUS

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9. Determine the mode of students ages

The

$30$ school student's age (in years) are given below, then find the mode of their ages.

12, 17, 12, 9, 17, 14, 17, 14, 9, 14, 12, 14, 9, 12, 14, 17, 14, 9, 17, 12, 14, 9, 17, 9, 12, 12, 17, 9, 14, 17.

The mode of

$30$ school student's ages

$=$

$i i$

[Note: Insert the answer in ascending order].

$1$

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