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प्रश्न
If the mean and median of a set of numbers are 8.9 and 9 respectively then the mode will be ______.
विकल्प
7.2
8.2
9.2
10.2
MCQ
रिक्त स्थान भरें
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उत्तर
If the mean and median of a set of numbers are 8.9 and 9 respectively then the mode will be 9.2.
Explanation:
Using Pearson’s empirical relation Mode = 3 × Median – 2 × Mean.
So Mode = 3 × 9 – 2 × 8.9
= 27 – 17.8
= 9.2
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