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Step-by-Step Solution
f0 is the frequency of the class before the modal class = 7; f2 is the frequency of the class after = 9.
Answer: A)
For the modal class 10-20, the preceding class is 0-10 with frequency 7 and the succeeding class is 20-30 with frequency 9. If f1 = 15, find f0 and f2 respectively.
Class 10Mode of Grouped DataStatistics and Probability
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