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HED HI 9 TUE 1 | 12 | 13 ||| 14 ||| 15 | 16 | 1 Age (in years) Question 9. 100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: Number of letters Number of surnames 4-6 44 16 6-8 8-12 12–20 (i) Draw a histogram to depict the given information. (ii) Write the class interval in which the maximum number of surnames lie. Solution: (i) Since, class intervals of the given frequency distribution are unequal, and the minimum

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