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Case Based Questions: Data Handling and Presentation

Case Study 1

Ankita manages a book stall at a fair. She recorded the genres of books sold on Monday and presented the data in the following table Case Study 1Q.1.What is the total number of books sold on Monday?
(a) 45
(b) 50
(c) 55
(d) 60

Q.2. Which genre of books sold the least on Monday?
(a) Fiction
(b) Non-Fiction
(c) History
(d) Science


Q.3. If Ankita sells 5 more mystery books on Tuesday, what will be the total number of mystery books sold?
(a) 12
(b) 15
(c) 17
(d) 20


Q.4. The price of one fiction book is ₹150. How much money did Ankita earn by selling all fiction books on Monday?
(a) ₹1,000
(b)​​​​​ ₹1,200
(c) ₹1,500
(d) ₹1,800


Q.5. If Ankita wants to present this data in a bar graph, how many bars will the graph contain?
(a) 3
(b) 4
(c) 5
(d) 6

Case Study 2

Shobhit works in a shoe store. He records the shoe sizes and the number of pairs sold every day. On Tuesday, he sold 60 pairs. His record for the day is shown below.

Case Study 2

Q.1. How many pairs of size 8 were sold on Tuesday?
(a) 3
(b) 10
(c) 11
(d) 13

Q.2. Which shoe size sold the most?
(a) Size 4
(b) Size 6
(c) Size 8
(d) Size 9

Q.3. Shobit realised that he had not fully recorded the sale for Tuesday. How many sold pairs had he not recorded?

Q.4. The unrecorded data was of shoe size 7. Shobit corrected his record accordingly. Which of the following statements will be true now?
(a) 
Shoe size 8 sold the least now
(b) Shoe size 7 sold the most now
(c) Shoe size 5 is the new mode of the data
(d) Number of shoe pairs of size 3 can be calculated

Q.5. The price of one shoe pair of size 5 is 800. How much money had Shobhit collected by selling all the shoe pairs of size 5?

Case Study 3

Read the pictograph given below and answer the following questions:
Persons employed in one year
Case Study 3Q.1.What is the number of persons employed in government service?

(b) How many more person were employed in government service than in private service?

(c) In which service, were the maximum number of persons employed?

Case Study 4

The given bar graph represents the frequency of a, e, i, o, and u in a piece of English writing.
Case Study 4​Q.1. Which letter occurred the maximum number of times?

Q.2. Which letter occurred 40 times?

Q.3. Which letter occurred less than 30 times?

Q.4. Write down the five letters in the decreasing order of frequencies.

The document Case Based Questions: Data Handling and Presentation is a part of the Class 6 Course Mathematics for Class 6.
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FAQs on Case Based Questions: Data Handling and Presentation

1. What is data handling in the context of Class 6 studies?
Ans. Data handling refers to the process of collecting, organizing, analyzing, and interpreting data. In Class 6, students learn to represent data using various methods such as charts, tables, and graphs, which helps them to understand and visualize information effectively.
2. Why is data presentation important for students?
Ans. Data presentation is crucial as it helps students to convey information clearly and effectively. By learning how to present data through visual means, like bar graphs or pie charts, students can better understand trends and patterns, making it easier to communicate their findings to others.
3. What types of data representation are commonly taught in Class 6?
Ans. In Class 6, students are typically taught to represent data using various formats such as bar graphs, line graphs, pie charts, and tables. Each type serves a different purpose and helps in analyzing different aspects of the data collected.
4. How can students ensure accuracy when collecting data for their projects?
Ans. To ensure accuracy when collecting data, students should follow a systematic approach: define clear objectives for the data collection, use reliable sources, double-check their measurements, and maintain detailed records. This helps avoid errors and enhances the reliability of their findings.
5. What skills do students develop through data handling and presentation activities?
Ans. Through data handling and presentation activities, students develop critical skills such as analytical thinking, problem-solving, and the ability to interpret information. Additionally, they learn to work collaboratively and communicate their ideas effectively, which are essential skills in their academic journey.
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