हिंदी

The mean of 25 observations is 32. If each observation is increased by 5, the new mean will be: - Mathematics

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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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अध्याय 15: Statistics - Exercise 15D [पृष्ठ ३०४]

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नूतन Mathematics [English] Class 9 ICSE
अध्याय 15 Statistics
Exercise 15D | Q 8. | पृष्ठ ३०४
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