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Model Paper 10 — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsModel Paper 101 Mark
MCQ
To draw a histogram to represent the following frequency distribution :
Class interval5-1010-1515-2525-4545-75
Frequency61210815
The adjusted frequency for the class 25-45 is
  • A
    6
  • B
    5
  • ✓
    2
  • D
    3
✓

Answer

Correct option: C.
2
(c) 2
Explanation: Adjusted frequency $=\left(\frac{\text { frequency of the class }}{\text { width of the class }}\right) \times 5$
Therefore, Adjusted frequency of $25-45=\frac{8}{20} \times 5=2$

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