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A shopkeeper records daily sales (in Rs hundreds). Modal class is 40-50 with l = 40, f1 = 30, f0 = 22, f2 = 20, h = 10. The mode of sales is:

Class 10Mode of Grouped DataStatistics and Probability

A44.4
B42.5
C46.0
D48.3

Step-by-Step Solution

Mode

= 40 + \frac{30 - 22}{2 \times 30 - 22 - 20} * 10 = 40 + \frac{8}{60 - 42} * 10 = 40 + \frac{8}{18} * 10 = 40 + 4.44 = 44.4

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Answer: A) 44.4

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