Class 7 Exam > Class 7 Notes > RD Sharma Solutions for Class 7 Mathematics > RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 | RD Sharma Solutions for Class 7 Mathematics PDF Download
Question 7:
In a study of number of accidents per day, the observations for 30 days were obtained as follows:
Prepare a frequency distribution table.
Answer 7:
Required frequency-distribution table:
| Number of Accidents | Number of Days |
| 0 | 2 |
| 1 | 3 |
| 2 | 6 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 6 |
Question 8:
Prepare a frequency table of the following ages (in years) of 30 students of class VIII in your school:
| 13, 14, 13, 12, 14, 13, 14, 15, 13, 14, 13, 14, 16, 12, 14 13, 14, 15, 16, 13, 14, 13, 12, 17, 13, 12, 13, 13, 13, 14 |
Answer 8:
Frequency Distribution Table is :
| Ages (in years) | Number of Students |
| 12 | 4 |
| 13 | 12 |
| 14 | 9 |
| 15 | 2 |
| 16 | 2 |
| 17 | 1 |
Question 9:
Following figures relate the weekly wages (in Rs.) of 15 workers in a factory:
| 300, 250, 200, 250, 200, 150, 350, 200, 250, 200, 150, 300, 150, 200, 250 |
Prepare a frequency table.
(i) What is the range in wages (in Rs)?
(ii) How many Workers are getting Rs 350?
(iii) How many workers are getting the minimum wages?
Answer 9:
Frequency Distribution Table is
| Wages (in Rs.) | No. of Workers |
| 150 | 3 |
| 200 | 5 |
| 250 | 4 |
| 300 | 2 |
| 350 | 1 |
(i) The range in wages (in Rs.) = 350 -150 = 200.
(ii) Only 1 worker is getting Rs. 350.
(iii) 3 workers are getting the minimum wages, i.e, Rs. 150.
Question 10:
Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school:
| 9, 17, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9, 12, 18, 17, 19, 20, 25, 9, 12, 17, 19, 19, 20, 9 |
(i) What is the range of marks?
(ii) What is the highest mark?
(iii) Which mark is occurring more frequently?
Answer 10:
Required frequency-distribution table:
| Marks | Frequency |
| 9 | 6 |
| 12 | 4 |
| 17 | 4 |
| 18 | 2 |
| 19 | 4 |
| 20 | 3 |
| 25 | 2 |
(i) Range of marks: 25-9=16.
(ii) The highest mark is 25.
(iii) 9 is occurring most frequently.
Question 11:
In a mathematis test following marks were obtained by 40 students of class VI. Arrange these marks in a table using, tally marks.
(i) Find how many students obtained marks equal to or more than 7?
(ii) How many students obtaned marks below 4?
Answer 11:
The Frequency Distribution Table is :
| Marks | Tally Marks | Frequency |
| 1 | II | 2 |
| 2 | III | 3 |
| 3 | III | 3 |
| 4 |  | 7 |
| 5 |  | 6 |
| 6 | | 7 |
| 7 |  | 5 |
| 8 | IIII | 4 |
| 9 | III | 3 |
(i) 12 students obtained marks equal to or more than 7.
(ii) Only 8 students obtained marks below 4.
Question 12:
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, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Ladoo.
(i) Arrange the names of sweets in a table using tally marks.
(ii) Which sweet is preferred by most of the students.
Answer 12:
(ii) Ladoo is preferred by most of the students, 12 students.
The document RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 | RD Sharma Solutions for Class 7 Mathematics is a part of the Class 7 Course RD Sharma Solutions for Class 7 Mathematics.
All you need of Class 7 at this link: Class 7
FAQs on RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 - RD Sharma Solutions for Class 7 Mathematics
| 1. What is data handling and why is it important? |  |
Ans. Data handling refers to the process of organizing, manipulating, and analyzing data in order to extract meaningful information from it. It is important because it helps in making informed decisions, identifying patterns and trends, and understanding the characteristics of the data.
| 2. How can data be organized in data handling? | |
Ans. Data can be organized in data handling through various methods such as creating tables, graphs, charts, and diagrams. It can also be organized using statistical techniques like grouping data into classes or categories.
| 3. What is the purpose of data collection in data handling? | |
Ans. The purpose of data collection in data handling is to gather relevant information or facts about a particular topic or subject. This data can then be analyzed and used to draw conclusions, make predictions, or solve problems.
| 4. What are the different types of data in data handling? | |
Ans. In data handling, there are two main types of data: qualitative data and quantitative data. Qualitative data describes qualities or characteristics, while quantitative data represents quantities or numerical values.
| 5. How can data be analyzed in data handling? | |
Ans. Data can be analyzed in data handling through various methods such as calculating measures of central tendency (mean, median, mode), measures of dispersion (range, variance, standard deviation), and creating graphs or charts to visualize the data. Statistical techniques like hypothesis testing can also be used for data analysis.
Related Exams
About this Document
|
4.75/5 Rating |
|
Dec 25, 2024 Last updated |
Document Description: RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 for Class 7 2024 is part of RD Sharma Solutions for Class 7 Mathematics preparation.
The notes and questions for RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 have been prepared according to the Class 7 exam syllabus. Information about RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 covers topics
like and RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Example, for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7.
Introduction of RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 in English is available as part of our RD Sharma Solutions for Class 7 Mathematics
for Class 7 & RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 in Hindi for RD Sharma Solutions for Class 7 Mathematics course.
Download more important topics related with notes, lectures and mock test series for Class 7
Exam by signing up for free. Class 7: RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 | RD Sharma Solutions for Class 7 Mathematics
Description
Full syllabus notes, lecture & questions for RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 | RD Sharma Solutions for Class 7 Mathematics - Class 7 | Plus excerises question with solution to help you revise complete syllabus for RD Sharma Solutions for Class 7 Mathematics | Best notes, free PDF download
Information about RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7
In this doc you can find the meaning of RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 defined & explained in the simplest way possible. Besides explaining types of
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 theory, EduRev gives you an ample number of questions to practice RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 tests, examples and also practice Class 7
tests
|
Explore Courses for Class 7 exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
Class 7 | RD Sharma Solutions for Class 7 Mathematics
,Important questions
,RD Sharma Solutions (Part - 2)- Ex-22.1
,study material
,Semester Notes
,Previous Year Questions with Solutions
,RD Sharma Solutions (Part - 2)- Ex-22.1
,Sample Paper
,mock tests for examination
,Class 7 | RD Sharma Solutions for Class 7 Mathematics
,shortcuts and tricks
,past year papers
,RD Sharma Solutions (Part - 2)- Ex-22.1
,practice quizzes
,Exam
,Class 7 | RD Sharma Solutions for Class 7 Mathematics
,Extra Questions
,Data Handling I Collection Organisation Data
,ppt
,Summary
,Data Handling I Collection Organisation Data
,video lectures
,Data Handling I Collection Organisation Data
,Objective type Questions
,Free
,Viva Questions
,MCQs
;
Additional Information about RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 for Class 7 Preparation
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Free PDF Download
The RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 is an invaluable resource that delves deep into the core of the Class 7 exam.
These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective.
With the help of these notes, you can grasp complex subjects quickly, revise important points easily,
and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner,
allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material,
or toppers' notes, this PDF has got you covered. Download the RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 now and kickstart your journey towards success in the Class 7 exam.
Importance of RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7
The importance of RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 cannot be overstated, especially for Class 7 aspirants.
This document holds the key to success in the Class 7 exam.
It offers a detailed understanding of the concept, providing invaluable insights into the topic.
By knowing the concepts well in advance, students can plan their preparation effectively.
Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Notes
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Notes offer in-depth insights into the specific topic to help you master it with ease.
This comprehensive document covers all aspects related to RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7.
It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation.
Practice papers and question papers enable you to assess your progress effectively.
Additionally, the paper analysis provides valuable tips for tackling the exam strategically.
Access to Toppers' notes gives you an edge in understanding complex concepts.
Whether you're a beginner or aiming for advanced proficiency, RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Notes on EduRev are your ultimate resource for success.
RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Class 7 Questions
The "RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 Class 7 Questions" guide is a valuable resource for all aspiring students preparing for the
Class 7 exam. It focuses on providing a wide range of practice questions to help students gauge
their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation.
The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level.
Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.
Study RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 on the App
Students of Class 7 can study RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of RD Sharma Solutions (Part - 2)- Ex-22.1, Data Handling I Collection Organisation Data, Class 7 is prepared as per the latest Class 7 syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup