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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Standard IX

Mathematics

Histograms

100 surnames ...

Question

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:

$\begin{matrix} Number of letters & 1 - 4 & 4 - 6 & 6 - 8 & 8 - 12 & 12 - 20 Number of surnames & 6 & 30 & 44 & 16 & 4 \end{matrix}$
(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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Solution

(ii) Maximum number of surnames lie in the interval 6-8

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375

Similar questions

Question 9 (ii)
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:

$\begin{matrix} Number of letters & Number of surnames 1 - 4 & 6 4 - 6 & 30 6 - 8 & 44 8 - 12 & 16 12 - 20 & 4 \end{matrix}$
(ii) Write the class interval in which the maximum number of surname lie.

Question 9 (i)
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:
$\begin{matrix} Number of letters & Number of surnames 1 - 4 & 6 4 - 6 & 30 6 - 8 & 44 8 - 12 & 16 12 - 20 & 4 \end{matrix}$
(i) Draw a histogram to depict the given information.

100 surnames were randomly picked up from a local telephone directory & the frequency distribution of the number of letters in the English alphabets in the surname was obtained as follows.

$\begin{matrix} Number of letters & 1 - 4 & 4 - 7 & 7 - 10 & 10 - 13 & 13 - 16 & 16 - 19 Number of surnames & 6 & 30 & 40 & 16 & 4 & 4 \end{matrix}$
Determine the median number of letters in the surnames.

Q. 100 surnames were randomly picked up from a local telephone directory. A frequency distribution of the number of letters in the English alphabets in the surnames was found as follows.

Name of letters	Number of surnames
2 $-$ 4 4 $-$ 6 6 $-$ 8 8 $-$ 10 10 $-$ 12 12 $-$ 14	9 22 38 19 8 4

Draw a frequency polygon.

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