To find the mode, we need to determine which number appears most frequently in the data set.
From the given data, we can see that the number 2 appears 6 times, which is more than any other number. Therefore, the mode of the number of pets is 2.
So, the answer is 2.
Answer: 2
Explanation: The mode is the number that appears most frequently in the data set. In this case, the number 2 appears the most frequently, a total of 6 times. Therefore, the mode number of pets is 2.
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