1.

100 surnames were randomly picked up from a local telephone directory and frequency distribution of the number of letters in the English alphabet in the surnames was found as follows: Number of letters 1 − 4 4 − 6 6 − 8 8 − 12 12 − 20 Number of surnames 6 30 44 16 4 (i) Draw a histogram to depict the given information.(ii) Write the class interval in which the maximum number of surnames lie.

Answer» 100 surnames were randomly picked up from a local telephone directory and frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:



















Number of letters 1 − 4 4 − 6 6 − 8 8 − 12 12 − 20
Number of surnames 6 30 44 16 4

(i) Draw a histogram to depict the given information.

(ii) Write the class interval in which the maximum number of surnames lie.


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