The following pictograph represents some surnames of people listed in the telephone directory of a city.
Observe the pictograph and answer the following question: How many people have the surname Roy?

Open in App

Solution

Given:
$=$ $100$ people.
$= 4 \times 100 = 400$ people
Hence, $400$ peoples have the surname Roy.

Suggest Corrections

Similar questions

The following pictograph represents some surnames of people listed in the telephone directory of a city.

Observe the pictograph and answer the following question:
(a) How many people have the surname Roy?
(b) Which surname appears the maximum number of times in the telephone directory?
(c) Which surname appears the least number of times in the directory?
(d) Which two surnames appear an equal number of times?

Q. Following pictograph represents some surnames of people listed in the telephone directory of a city Observe the pictograph and answer the following questions:

(a) How many people have surname ‘Roy’ ?

(b) Which surname appears the maximum number of times in the telephone directory

(c) Which surname appears the least number of times in the directory?

(d) Which two surnames appear an equal number of times?

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:

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.

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

\begin{matrix} N u m b e r o f l e t t e r s & N u m b e r o f s u r n a m e s 1 - 4 & 6 4 - 7 & 30 7 - 10 & 40 10 - 13 & 16 13 - 16 & 4 16 - 19 & 4 \end{matrix}

Determine the median number of letters in the surnames. Find the mean number of letters in the surnames. Also, find the modal size of the surnames.

Join BYJU'S Learning Program

The following pictograph represents some surnames of people listed in the telephone directory of a city.Observe the pictograph and answer the following question: How many people have the surname Roy?

Given:=100 people.=4×100=400 peopleHence,400 peoples have the surname Roy.

The following pictograph represents some surnames of people listed in the telephone directory of a city.
Observe the pictograph and answer the following question: How many people have the surname Roy?

Given:
$=$ $100$ people.
$= 4 \times 100 = 400$ people
Hence, $400$ peoples have the surname Roy.