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# Solution - 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 - CBSE Class 9 - Mathematics

ConceptGraphical Representation of Data

#### Question

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 1 - 4 6 4 - 6 30 6 - 8 44 8 - 12 16 12 - 20 4

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

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

#### Solution

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#### APPEARS IN

NCERT Mathematics Textbook for Class 9
Chapter 14: Statistics
Q: 9 | Page no. 161

#### Reference Material

Solution for question: 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 concept: Graphical Representation of Data. For the course CBSE
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