Explanation:
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- 7 , 8 , 2 , 3 , 9 , 3 , 7
Here ,
- Frequency of 7 = 2
- Frequency of 8 = 1
- Frequency of 2 = 1
- Frequency of 3 = 2
- Frequency of 9 = 2
➺ 7 and 3 has the highest frequency i.e 2. So , Mode of the given data is 3 & 7 .

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