Direction: The marks obtained by 273 examinees are shown by the frequency polygon. Given that mean marks is 59.5. Study the frequency polygon and answer the given questions.
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Percentage of the students who got marks above 60% and below 80% is
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- 43.95
- 48.39
- 51.06
- 56.84
Correct Option: A
From the above given graph , we can see
Number of students who got marks above 60% and below 80% = 72 + 48 = 120
Total number of students = 2 + 4 + 12 + 26 + 35 + 42 + 72 + 48 + 24 + 8 = 273
| ∴ Required percent = | × 100 | Total number of students |
| ∴ Required percentage = | = 43.95 % | 273 |
