Mode of a listed set of numbers

The same question, asked 2 times: 6 Mar 2023 Tier II*, 7 Mar 2023 Tier II. Every wording below, oldest first.

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Question 1
6 Mar 2023 Tier II
26 $The mode of the following data is __________. 13,15,31,12,27,13,27,30,27,28 and16$
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Question 2
7 Mar 2023 Tier II
19 $What is the mode of the given data? 5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7$
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