Allied & ICAR Exam Bank • ALLIED_2584 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Data Interpretation

Question Statement:

In a frequency distribution of 100 data points, the frequency of the median class (interval 20-30) is 25, the lower limit is 20, and the cumulative frequency before the median class is 35. The median of the distribution is:

Answer Key:

26

Step-by-Step Solution & Explanation

Median $= L + \frac{N/2 - cf}{f} \times h = 20 + \frac{50 - 35}{25} \times 10 = 20 + \frac{15}{25} \times 10 = 20 + 6 = 26$.
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