Total number of students of a school in different years is shown in the following table
YearsNumber of students
1996400
1998535
2000472
2002600
2004623

A. Prepare a pictograph of students using one symbol
to represent 100 students and answer the following questions:
(a) How many symbols represent total number of students in the year 2002?
(b) How many symbols represent total number of students for the year 1998?
B. Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?"

AcademicMathematicsNCERTClass 6

To do:

We have to prepare a pictograph of students using one symbol  to represent 100 students and answer the given questions.

Solution:

YearNumber of students              -100 students
1996   
1998

      

2000     
2002      
2004       

(i)  6 symbols represent total number of students in the year 2002.

(ii) 5 complete and 1 incomplete symbols represent total number of students for the year 1998.

 The pictograph for the given data is as follows:

YearNumber of students               \( \otimes=50 \) students
1996\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)
1998\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \) x
2000\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)x
2002\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)
2004\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)\( \otimes \)x

Pictograph $B$ gives better approximations.

Therefore,

Pictograph $B$ is more informative.

raja
Updated on 10-Oct-2022 13:36:16

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