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प्रश्न
The mean of 25 observations is 32. If each observation is increased by 5, the new mean will be:
विकल्प
27
37
32
30
MCQ
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उत्तर
37
Explanation:
If each of the 25 observations is increased by 5.
The total increases by 25 × 5.
So, the mean increases by 5.
New mean = 32 + 5
= 37
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