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Data Handling Math - Junior आधुनिक विद्या निकेतन ट्यूशन सेंटर Visit: avnlearn.com

Mr. Guddu Kumar

Data Handling

  1. The sale of shoes of various sizes at a shop on a particular day is given below: 6, 9, 8, 5, 5, 4, 9, 8, 5, 6, 9, 9, 7, 8, 9, 7, 6, 9, 8, 6, 7, 5, 8, 9, 4, 5, 8, 7.
    Represent the above data in the form of a frequency distribution table.
  2. The number of two wheelers owned individually by each of 50 families are listed below. Make a table using tally marks: 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 0, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 0, 2, 1, 0, 2, 1, 2, 1, 2, 1, 1, 4, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 3, 2, 1, 1
  3. The lengths in centimetres (to the nearest centimetre) of 30 carrots are given as follows: 15, 20,22, 22,21, 21, 20, 22, 15, 20, 15, 21, 21, 18, 18, 21, 20, 18, 20, 15, 20, 18, 20, 15, 21, 18, 20, 18, 22
    Arrange the data given above in a table using tally marks and answer the following questions.
    1. What is the number of carrots which have length more than 20 cm?
    2. Which length of the carrots occur maximum number of times? Minimum number of times?
  4. Construct a frequency table for the following: 3, 2, 5, 4, 1, 3, 2, 2, 5, 3, 1, 2, 1, 1, 2, 2, 3, 4, 5, 3, 1, 3.
  5. Construct a frequency table for the following: 7, 8, 6, 5, 6, 7, 7, 9, 8, 10, 7, 6, 7, 8, 8, 9, 10, 5, 7, 8, 6.
  6. Following is the choice of sweets of 30 students of Class VI: Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rasgulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Jalebi, Rasgulla, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo.
    1. Arrange the names of sweets in a table using tally marks.
    2. Which sweet is preferred by most of the students?
  7. Thirty students were interviewed to find out what they want to be in future. Their responses are listed as below: doctor, engineer, doctor, pilot, officer, doctor, engineer, doctor, pilot, officer, pilot, engineer, officer, pilot, doctor, engineer, pilot, officer, doctor, officer, doctor, pilot, engineer, doctor, pilot, officer, doctor, pilot, doctor, engineer
    Arrange the data in a table using tally marks.
  8. Following pictograph shows the number of tractors in five villages. Scale used is 🚜 ≡ 1 Tractor
    Villages Number of tractors
    Village A 🚜 🚜 🚜 🚜 🚜 🚜
    Village B 🚜 🚜 🚜 🚜 🚜
    Village C 🚜 🚜 🚜 🚜 🚜 🚜 🚜 🚜
    Village D 🚜 🚜 🚜
    Village E 🚜 🚜 🚜 🚜 🚜 🚜
    Observe the pictograph and answer the following questions.
    1. Which village has the minimum number of tractors?
    2. Which village has the maximum number of tractors?
    3. How many more tractors village C has as compared to village B.
    4. What is the total number of tractors in all the five villages?
  9. Following pictograph represents some surnames of people listed in the telephone directory of a city. Scale used is 🖐 ≡ 100 People
    Surname Number of people
    Khan 🖐 🖐 🖐 🖐
    Patel 🖐 🖐 🖐 🖐 🖐
    Rao 🖐 🖐 🖐 🖐
    Roy 🖐 🖐 🖐 🖐
    Saikia 🖐 🖐
    Singh 🖐 🖐 🖐
    Observe the pictograph and answer the following questions:
    1. How many people have surname ‘Roy’?
    2. Which surname appears the maximum number of times in the telephone directory?
    3. Which surname appears the least number of times in the directory?
    4. Which two surnames appear an equal number of times?
  10. The number of bottles of cold drinks sold by a shopkeeper on six consecutive days is as follows:
    Day Sun Mon Tue Wed Thur Fri
    Number of bottles 350 200 300 250 100 150
    Prepare a pictograph of the data using one symbol to represent 50 bottles.
  11. Total number of animals in five villages are as follows :
    Animal A B C D E
    Number of animals 80 120 90 40 60
    Prepare a pictograph of these animals using one symbol ⨂ to represent 10 animals and answer the following questions :
    1. How many symbols represent animals of village E?
    2. Which village has the maximum number of animals?
    3. Which village has more animals : village A or village C?
  12. Prepare a pictograph of the information given in Q2.
  13. Prepare a table form of the data given in Q8.
  14. The bar graph given alongside shows the amount of wheat purchased by government during the year 1998-2002. 1 unit length = 5 thousand tonnes Read the bar graph and write down your observations. In which year was
    1. the wheat production maximum?
    2. the wheat production minimum?
  15. Observe this bar graph which is showing the sale of shirts in a ready made shop from Monday to Saturday. 1 unit length = 5 shirts Now answer the following questions :
    1. What information does the above bar graph give?
    2. What is the scale chosen on the horizontal line representing number of shirts?
    3. On which day were the maximum number of shirts sold? How many shirts were sold on that day?
    4. On which day were the minimum number of shirts sold?
    5. How many shirts were sold on Thursday?
  16. Observe this bar graph which shows the marks obtained by Aziz in half-yearly examination in different subjects. 1 unit length = 10 marks Answer the given questions.
    1. What information does the bar graph give?
    2. Name the subject in which Aziz scored maximum marks.
    3. Name the subject in which he has scored minimum marks.
  17. Number of mobile phone users in various age groups in a city is listed below:
    Age group (in years) 1-20 21-40 41-50 61-80
    Number of mobile users 25000 40000 35000 10000
    Draw a bar graph to represent the above information.
  18. The following table shows the number of scooters produced by a company during five consecutive years. Draw a bar graph to represent this data.
    Year 2005 2006 2007 2008 2009
    No. of scooters 14000 12500 17500 15000 24000
  19. Various modes of transport used by 1850 students of a school are given below:
    School bus Private bus Bicycle Rickshaw By foot
    640 360 490 210 150
    Draw a bar graph to represent the above data.
  20. The marks of a student In different subjects are given below:
    Subject HI ENG MAT SCI SST
    Marks 43 56 80 65 50
    Draw a bar graph from the above information.
  21. The following table shows the market position of different brands of soaps. Draw a bar graph to represent this data.
    Brand A B C D Others
    Percentage of buyers 45 25 15 10 5
  22. The data given below shows the average rainfall in Udaipur from June to November of a certain year. Draw a bar graph to represent this information.
    Month Jun Jul Aug Sep Oct Nov
    Average rainfall 25 cm 30 cm 40 cm 20 cm 10 cm 5 cm
  23. Gold prices on 4 consecutive Tuesdays were as under:
    Week First Second Third Fourth
    Rate per 10 gm (in?) 8500 8750 9050 9250
    Draw a bar graph to represent this information.

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