JEE Mains · Maths · STD 11 - 13. statistics
Consider the following frequency distribution:
| Class: | \(10-20\) | \(20-30\) | \(30-40\) | \(40-50\) | \(50-60\) |
| Freq: | \(\alpha\) | \(110\) | \(54\) | \(30\) | \(\beta\) |
- A \(390\)
- B \(164\)
- C \(377\)
- D \(113\)
Answer & Solution
Correct Answer
(B) \(164\)
Step-by-step Solution
Detailed explanation
\(Class\) \(Frequency\) \(C.F.\) \(10-20\) \(\alpha\) \(\alpha\) \(20-30\) \(110\) \(\alpha+110\) \(30-40\) \(54\) \(\alpha+164\) \(40-50\) \(30\) \(\alpha+194\) \(50-60\) \(\beta\) \(\alpha+\mathrm{b}+194=584\) \(\mathrm{N}=\sum \mathrm{f}=584\) \(\alpha+\beta=390\) Median…
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