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For the modal class 15-20 with l = 15, f1 = 12, f0 = 5, f2 = 6, h = 5, the mode is:

Class 10Mode of Grouped DataStatistics and Probability

A17.69
B16.00
C18.40
D15.96

Step-by-Step Solution

Mode

= 15 + \frac{12 - 5}{2 \times 12 - 5 - 6} * 5 = 15 + \frac{7}{24 - 11} * 5 = 15 + \frac{7}{13} * 5 = 15 + 2.69 = 17.69

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Answer: A) 17.69

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