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For the modal class 50-60, l = 50, f1 = 40, f0 = 24, f2 = 28, h = 10, the mode is:

Class 10Mode of Grouped DataStatistics and Probability

A55.7
B53.3
C57.1
D52.0

Step-by-Step Solution

Mode

= 50 + \frac{40 - 24}{2 \times 40 - 24 - 28} * 10 = 50 + \frac{16}{80 - 52} * 10 = 50 + \frac{16}{28} * 10 = 50 + 5.71 = 55.7

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Answer: A) 55.7

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