# collection of data in statistics class 11 ppt

December 6, 2020

CBSE Class 11 Statistics Important Questions. Get Collection of Data, Statistics for Economics Chapter Notes, Questions & Answers, Video Lessons, Practice Test and more for CBSE Class 10 at TopperLearning. MODULE - 6 Collection and Presentation of Data Notes Presentation and Analysis of Data in Economics 30 making. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Statistics for Class 11 so that you can refer them as and when required. These two methods are the Census method and Sampling method. NCERT Solutions Class 11 Statistics Chapter 2 Collection Of Data provides us with the useful data to all the topics. Copyright @ ncerthelp.com A free educational website for CBSE, ICSE and UP board. The best app for CBSE students now provides Collection of Data class 11 Notes Economics latest chapter wise notes for quick preparation of CBSE exams and school based annual examinations. If you continue browsing the site, you agree to the use of cookies on this website. The questions includes 1 mark questions, 2 mark questions, 3 mark questions, 4 mark questions, 5 mark questions and other questions as per the latest CBSE curriculum for the current session. Presentation of data ppt 1. Introduction to Statistics Introduction, examples and deﬁnitions Introduction We begin the module with some basic data analysis. We shall in this course learn about topics related to class 11th Statistics CBSE . Please send your queries to ncerthelp@gmail.com you can aslo visit our facebook page to get quick help. The singular of data is datum. 8. Clipping is a handy way to collect important slides you want to go back to later. 1. meaning the subject which deals with the collection, presentation, analysis of data as well as drawing of meaningful conclusions from the data. Primary data is always collected for a specific purpose while secondary data has already been collected for some other purpose. b] Indirect Oral Investigation :– Data is collected from third parties who have information about subject of enquiry. Complete Important Questions : Collection of data | EduRev Notes chapter (including extra questions, long questions, short questions, mcq) can be found on EduRev, you can check out Class 11 lecture & lessons summary in the same course for Class 11 Syllabus. Data – Information which can be expressed in numbers. Answer: (A) Census method: A statistical investigation in which the data are collected for each and every element/unit of the population, it is termed as Census Method. Teachers can use it as a teaching aid. This document is highly rated by Commerce students and has been viewed 5858 times. 2] Non-sampling errors. CBSE Syllabus Class 12 Maths Physics Chemistry ... CBSE Syllabus Class 11 Mathematics biology chemistry ... CBSE Syllabus Class 10 Maths Science Hindi English ... CBSE Syllabus Class 9 Mathematics Science English Hindi ... Revised Syllabus for Class 12 Mathematics. Collection of Data •Statistics is defined as collection , compilation ... • Statistics make data into information • Develop an understanding of some basic ideas of statistical reliability , stochastic process (probability concepts) . Class 11 Economics Notes for Collection, Organisation and Presentation of Data – Get here the Notes, Question & Practice Paper of Class 11 Economics for topic Collection, Organisation and Presentation of Data. Collection of Data - Class 11 - Statistics 1. e] Questionnaire filled by enumerators :– Data is collected by trained enumerators who fill questionnaires. Since mean, median, and mode are closely related, they are dependent on each other. INTRODUCTION TO STATISTICS 2 Statistics Statistics is the body of techniques used to facilitate the collection, organization, presentation, analysis, and interpretation of data for … Answer: Primary data is the collection of data collected by the investigator for his purpose for the first time. 1. Data is a plural term. NCERT Solutions Class 11 Statistics Chapter 2 Collection Of Data. 2] Non-random sampling. 3. Mode of data collection 10. Frame at least four appropriate multiple-choice options for the following questions:i. Types of questions 8. If you continue browsing the site, you agree to the use of cookies on this website. Nov 28, 2020 - Notes - Presentation of Data Class 11, Statistics for Economics | EduRev Notes is made by best teachers of Commerce. d] Mailed questionnaire :– Data is collected through questionnaire [list of questions] mailed to the informant. In the following example Q1= ((15+1)/4)1 =4th observation of the data. In this article, we will explore various types of data, methods of data collec… From the meaning we can give some features of the term statistics or data below with example. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our User Agreement and Privacy Policy. Statistics are collected for a predetermined purpose. NCERT Solutions for Class 11 Statistics Economics. It is a sampling method in which all the items do not have an equal chance of being selected and judgment of the investigator plays an important role. Link of our facebook page is given in sidebar. a] Class : Each given internal is called a class e.g., 0-5, 5-10. b] Class limit : There are two limits upper limit and lower limit. d] Questions should be clear and simple. Class - XI. They can be obtained either from published sources or from any other source, for example, a web site. Census or complete Enumeration 5. a] Primary data is original data collected by the investigator while secondary data is already existing and not original. c] Information from correspondents :– Data is collected from agents appointed in the area of investigation. It deals with every aspect of data collection and planning of the same in terms of There are numerous methods of data collection. Introduction of Statistics: Statistics is the study of collection, analysis, interpretation, and organization of data.In applying statistics too, e.g., a scientific, industrial, or societal problem, it is conventional, to begin with, a statistical population or a statistical model process to be studied. Class 11 Economics Collection of Data have different set of questions. It is the difference between sample value and actual value of a characteristic of a population. Non-sampling errors: Errors that accurate the stage of collecting data. Published Source :– Government publications, Semi-government publications etc. Tools used in research design ; Research Design Plan and structure of the ... 11 Samples Sample Definition: A Subset of a population. Try-out of the questionnaire on a small group to find its short comings. Data and Data Collection Quantitative – Numbers, tests, counting, measuring Data Collection Techniques Observations, Tests, Surveys, Document analysis (the research literature) Quantitative Methods Key Factors for High Quality Experimental Design Data should not be contaminated by poor measurement or errors in procedure. Questionnaire – A list of questions with space for answers. Easy to print and read. Statistics and Data Collection.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. See our Privacy Policy and User Agreement for details. We shall learn about Measures of Central Tendency, Measure of Dispersion, correlation & Index Numbers. When faced with a research problem, you need to collect, analyze and interpret data to answer your research questions. Some of which are: • Sample Method – Data is collected from few units of the population and result is applied These NCERT books assists the students to score well in their examinations. Both are suitable in different cases and the knowledge of these methods is important to understand when to apply which method. Statistics refers to collecting, organizing, displaying, analyzing, interpreting and presenting the data. Now customize the name of a clipboard to store your clips. 2. Synopsis 1. b] Minimum number of questions. Methods of sampling 12. We shall learn about what is statistics, important terms, how data is collected, organised and presented. Poverty : The greatest challenge faced by the Indian Economy, Class XII (C.B.... Economic reforms since 1991: Class XII - Part-2, Indian Economic reforms since 1991, Class XII, CBSE, Political Science, Power Sharing, Class - 10, Indian Economy between 1950 to 1990, Class XII, CLASS X ECONOMICS CHAPTER 1 DEVELOPMENT CBSE, No public clipboards found for this slide, Collection of Data - Class 11 - Statistics. National Sample Survey Organization – It conducts national surveys on socio-economic issues. Define primary data. The study of statistics is applied in social, scientific and industrial problems. In this lesson, we shall focus on two primary methods and understand the difference between them. to the whole group. So Q1 is of this data is 11. Copies of these textbooks may be downloaded and used as textbooks or for reference. Difference between census method and sampling method. It is a sampling method in which all the items have equal chance of being selected and the individuals who are selected are just like the ones who are not selected. f ] Telephonic interviews :– Data is collected through an interview over the telephone with the interviewer. 2. Data – Information which can be expressed in numbers. You can change your ad preferences anytime. • Universe or population in statistics – Total items under study. e] Questions should be logically arranged. Title: Statistics The Study of Data 1 Statistics - The Study Of Data 2. 1. Candidates who are ambitious to qualify the Class 11 with good score can check this article for Notes, Question & Practice Paper. Questionnaire 7. Methods / Sources of Collection of Primary Data : a] Direct Personal Interview :– Data is personally collected by the interviewer. Collection of Data Statistics Class - XI 2. 25th percentile is the Q1, 50th percentile is the Median (Q2) and the 75th percentile of the data … Thus, the data are primary to the source that collects and processes them for the first time and secondary for all sources that later use such data. Difference between Primary and SecondaryData. Collection of Data in Statistics Class 11 Notes Download in PDF POINTS TO REMEMBER : 1. It is also called statistical data or simply statistics. CBSE Economics Chapter 2 Collection of Data class 11 Notes Economics in PDF are available for free download in myCBSEguide mobile app. c] Primary is costlier or is more expensive whereas secondary data is less expensive. February 21, 2006; 2 Statistics and Research Design. Open ended Vs Close ended 9. Surveys 4. Sources of data 3. Statistics Theory and method of analyzing quantitative data from samples of observations to help make decisions about hypothesized relations. In this chapter, we shall briefly discuss all these aspects regarding data. Ø Statistics deals with group and doesn’t study individually. a] A covering letter with objectives and scope of survey. Looks like you’ve clipped this slide to already. Question 1. c] Class interval : Difference between upper limit and lower limit. Introduction Chapter 14 Class 10 Maths. 3. Method by which the people organize, summarize and communicate information using a variety of tools such as tables, graphs and diagrams Sarvekshana – Quarterly journal published by NSSO. • Sample is a section of population from which information is to be obtained. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 5. • Census Method – Data collected from each and every unit of population. Chapter 2 Collection of Data. 2. Statistics for Economics Class 11 Notes CBSE Chapter Wise July 5, 2019 by Veerendra Chapter Wise CBSE Statistics for Economics Class 11 Quick Revision Notes and Key Points in English an Hindi Pdf free download was designed by expert teachers from latest edition of NCERT books to get good marks in board exams. Pilot survey 11. a] Errors of measurement due to incorrect response. In this PPT I have explained the collection of data topic for class 11 students. The 4th observation is 11. Collection of data is the first important aspect of statistical survey. Mrs. Suja Santosh Professor RVS College of Nursing, Sulur, Coimbatore 2. 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