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Can data be interpreted differently and can it lead us to make different decisions?

Yes,;data;can;be;interpreted.\*Data;interpretation;refers;to; the;implementation;of;processes\*through;which;data;is;reviewed for;the;purpose;of;arriving;at;an\*informed;conclusion.;The;interpretation;of;data;assigns;a;meaning\*to;the;information; analyzed;and;determines;its;signification;and\*implications.

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Posted by

Deependra Verma

Q : 4 Number of persons in various age groups in a town is given in the following table.     

Age group (in years) \small 1-14 \small 15-29 \small 30-44 \small 45-59 \small 60-74 75 and above
Number of persons 2 lakhs 1 lakh 60 thousands 1 lakh 20 thousands 1 lakh 20 thousands 80 thousands 40 thousands

Draw a bar graph to represent the above information and answer the following questions. (take 1 unit length \small = 20 thousands)

(a) Which two age groups have same population?

(b) All persons in the age group of 60 and above are called senior citizens. How many senior citizens are there in the town?
 

 

Following bar graph represents the above given informatio

(a) The age groups 30 - 44 and  45 - 59 have the same population.

(b) People in the age group 60 - 74 = 80,000

      People whare 75 and above = 40,000

      Total number of senior citizens in the town = 80,000 + 40,000 = 1,20,000

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Posted by

Sayak

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Q : 3 Following table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice.     

Years Number of bicycles manufactured
1998 800
1999 600
2000 900
2001 1100
2002 1200

(a) In which year were the maximum number of bicycles manufactured?
(b) In which year were the minimum number of bicycles manufactured?

 

The following bar graph illustrates the above-given data:

(a) In 2002 the maximum number of bicycles were manufactured.
(b) In 1999 the minimum number of bicycles were manufactured.

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Posted by

Satyajeet Kumar

Q : 3 Following table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice.      

Years Number of bicycles manufactured
1998 800
1999 600
2000 900
2001 1100
2002 1200

(a) In which year were the maximum number of bicycles manufactured?
(b) In which year were the minimum number of bicycles manufactured?

 

The following bar graph illustrates the above-given data:

(a) In 2002 the maximum number of bicycles were manufactured.
(b) In 1999 the minimum number of bicycles were manufactured.

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Posted by

Sayak

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Q : 2 The number of Mathematics books sold by a shopkeeper on six consecutive days is shown below :         

Days Sunday Monday Tuesday Wednesday Thursday Friday
Number of books sold 65 40 30 50 20 70

Draw a bar graph to represent the above information choosing the scale of your choice.
 

 

 

Using the above given information the followiing bar graph has been drawn

The scale is 1 unit = 10 books.

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Posted by

Sayak

Q : 1 A survey of 120 school students was done to find which activity they prefer to do in their free time.

Preferred activity Number of students
Playing 45
Reading story books 30
Watching TV 20
Listening to music 10
Painting 15

Draw a bar graph to illustrate the above data taking scale of 1 unit length \small = 5 students.  Which activity is preferred by most of the students other than playing?
 

 

Reading storybooks is preferred by most of the students other than playing.

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Posted by

Sayak

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Q : 3 Observe this bar graph which shows the marks obtained by Aziz in half-yearly examination in different subjects. Answer the given questions.

(a) What information does the bar graph give?

(b) Name the subject in which Aziz scored maximum marks.

(c) Name the subject in which he has scored minimum marks.

(d) State the name of the subjects and marks obtained in each of them.

   

(a) This bar graph shows the marks obtained by Aziz in half-yearly examination in different subjects.

(b) Aziz scored maximum marks in Hindi.

(c) Aziz scored minimum marks in Social Science.

(d) ) Hindi – 80, English – 60, Mathematics – 70, Science – 50 and Social Studies – 40.

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Posted by

Sayak

Q : 2 Observe this bar graph which is showing the sale of shirts in a ready made shop from Monday to Saturday.    

  

Now answer the following questions :

(a) What information does the above bar graph give?

(b) What is the scale chosen on the horizontal line representing number of shirts?

(c) On which day were the maximum number of shirts sold? How many shirts were sold on that day?

(d) On which day were the minimum number of shirts sold?

(e) How many shirts were sold on Thursday? 

 

(a) The bar graph is showing the sale of shirts in a ready-made shop from Monday to Saturday.

(b) 1 unit = 5 shirts.

(c) On Saturday the maximum number of shirts sold. 60 shirts were sold on Saturday.

(d) On Tuesday the minimum number of shirts were sold.

(e) 35 shirts were sold on Thursday.

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Posted by

Sayak

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Q: 1 The bar graph given alongside shows the amount of wheat purchased by government during the year 1998-2002. Read the bar graph and write down your observations. In which year was

(a) the wheat production maximum?

(b) the wheat production minimum?

   

 

 

(a) In 2002 the wheat production maximum.

(b) In 1998 the wheat production minimum.

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Posted by

Sayak

Q : 2 Total number of students of a school in different years is shown in the following table           

Years Number of students
1996 400
1998 535
2000 472
2002 600
2004 623

B. Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?

 

B.

The second pictograph is more informative

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Posted by

Sayak

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