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प्रश्न
From the given table the values of a, b and c are:
| C.I. | Frequency | Cumulative frequency |
| 30 - 40 | 24 | 24 |
| 40 - 50 | a | 40 |
| 50 - 60 | 12 | b |
| 60 - 70 | c | 60 |
पर्याय
a = 16, b = 52 and c = 8
a = 16, b = 12 and c = 8
a = 40, b = 52 and c = 60
a = 40, b = 12 and c = 60
MCQ
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उत्तर
a = 16, b = 52 and c = 8
Explanation:
From table,
⇒ 24 + a = 40
⇒ a = 40 − 24 = 16
⇒ b = 40 + 12 = 52
⇒ b + c = 60
⇒ 52 + c = 60
⇒ c = 60 − 52 = 8
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