12, 1, 10, 1, 9, 3, 4, 9, 7, 9 ದತ್ತಾಂಶದ ಬಹುಲಕ (ರೂಢಿಬೆಲೆ) ಯಾವುದು:

The mode is the most frequent value. 9 occurs three times (more than any other number), so the mode is 9.