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# Primary And Secondary Data In Statistics Pdf

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## Collection of Data in Statistics Class 11 Notes Download in PDF

Candidates those who are all preparing for the Examination can use this study material. Data is a tool which helps in reaching a sound conclusion by providing information therefore. For statistical investigation, collection of data is the first and foremost. Sources of Data For the study purpose both primary and secondary data are used. The primary data collected from sales men of the companies, customers and dealers dealing in the products of the company. The secondary data collected from records of the company, retailers and dealers.

There are more data sources than ever. You want to avoid making important business decisions based on unreliable data. So which data sources should you use? Read on for a quick breakdown of secondary and primary data and tips for finding valuable insights for your market research needs. Secondary data is public information that has been collected by others. It is typically free or inexpensive to obtain and can act as a strong foundation to any research project — provided you know where to find it and how to judge its worth and relevance.

## Study Notes on ” Primary and Secondary data ” Paper-III (Statistics) for SSC CGL

Data collection plays a very crucial role in the statistical analysis. In research, there are different methods used to gather information, all of which fall into two categories, i. As the name suggests, primary data is one which is collected for the first time by the researcher while secondary data is the data already collected or produced by others. There are many differences between primary and secondary data, which are discussed in this article. But the most important difference is that primary data is factual and original whereas secondary data is just the analysis and interpretation of the primary data. While primary data is collected with an aim for getting solution to the problem at hand, secondary data is collected for other purposes. Basis for Comparison Primary Data Secondary Data Meaning Primary data refers to the first hand data gathered by the researcher himself.

In contrast to primary data it does not allow for mathematical calculations such as determining an arithmetic mean , a correlation , etc. In a survey 10, people were questioned about how many hours during a week they practice sports. An example of a secondary data set would be a table showing how many people have put in hours, hours, etc. While we can calculate a correct arithmetic mean for the sample, the table with the secondary data will only allow us an approximation. If there were people who fell into the category ' hours', the table would give us no information about exactly how many people stated '0 hours'.

Marketing research is a process of gathering, analyzing, and reporting of data relating to any problem in the marketing field. Entire process involves the data-related activities. Data are the raw information. For solving any marketing problem, adequate, reliable, relevant and timely data are necessary. Major part of research budget, efforts, and time is occupied in collecting data.

## Difference Between Primary and Secondary Data

### Definition Secondary data

The facts and figures which can be numerically measured are studied in statistics. Numerical measures of same characteristic is known as observation and collection of observations is termed as data. Data are collected by individual research workers or by organization through sample surveys or experiments, keeping in view the objectives of the study. The data collected may be:. The difference between primary and secondary data in Statistics is that Primary data is collected firsthand by a researcher organization, person, authority, agency or party etc through experiments, surveys, questionnaires, focus groups, conducting interviews and taking required measurements, while the secondary data is readily available collected by someone else and is available to the public through publications, journals and newspapers. Primary data means the raw data data without fabrication or not tailored data which has just been collected from the source and has not gone any kind of statistical treatment like sorting and tabulation. The term primary data may sometimes be used to refer to first hand information.

Home Consumer Insights Market Research. Secondary research or desk research is a research method that involves using already existing data. Existing data is summarized and collated to increase the overall effectiveness of research. Secondary research includes research material published in research reports and similar documents. These documents can be made available by public libraries, websites, data obtained from already filled in surveys etc. Some government and non-government agencies also store data, that can be used for research purposes and can be retrieved from them.

Collection of data is the first important aspect of statistical survey. Data — Information which can be expressed in numbers. Questionnaire — A list of questions with space for answers. Difference between census method and sampling method. Sources of Secondary Data: 1. Published Source :— Government publications, Semi-government publications etc.

#### Content: Primary Data Vs Secondary Data

Да будь они прокляты, эти криптографы. Ничего не понимают в системах безопасности. Присяга, которую Чатрукьян принимал, поступая на службу в АНБ, стала непроизвольно прокручиваться в его голове. Он поклялся применять все свои знания, весь опыт, всю интуицию для защиты компьютеров агентства, стоивших не один миллион долларов. - Интуиция? - с вызовом проговорил. Не нужно интуиции, чтобы понять: никакая это не диагностика. Он решительно подошел к терминалу и запустил весь набор программ системных оценок ТРАНСТЕКСТА.

Он упал. И в следующее мгновение не осталось ничего, кроме черной бездны. ГЛАВА 102 Стратмор спустился на нижний этаж ТРАНСТЕКСТА и ступил с лесов в дюймовый слой воды на полу. Гигантский компьютер содрогался мелкой дрожью, из густого клубящегося тумана падали капли воды. Сигналы тревоги гремели подобно грому. Коммандер посмотрел на вышедший из строя главный генератор, на котором лежал Фил Чатрукьян.

Mala suerte, - вздохнул лейтенант.  - Не судьба. Собор закрыт до утренней мессы. - Тогда в другой.  - Беккер улыбнулся и поднял коробку.  - Я, пожалуй, пойду. Меня ждет самолет.

Чепуха. Ты никогда не смог бы проникнуть в почту коммандера.

Беккер открыл конверт и увидел толстую пачку красноватых банкнот. - Что. - Местная валюта, - безучастно сказал пилот. - Я понимаю.

Пуля ударила в асфальт в нескольких метрах позади. Беккер оглянулся. Убийца целился, высунувшись из окна. Беккер вильнул в сторону, и тут же боковое зеркало превратилось в осколки. Он почувствовал, как этот удар передался на руль, и плотнее прижался к мотоциклу.

Сьюзан положила руку на мышку и открыла сообщение, Это решит судьбу Хейла, - подумала.  - Хейл - это Северная Дакота.

1. ## Eric Z.

15.12.2020 at 22:37
Reply

Secondary data refers to data that is collected by someone other than the primary user.

2. ## Victoria N.

17.12.2020 at 08:13
Reply

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3. ## Zohar G.

17.12.2020 at 09:37
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PDF | This paper examined primary and secondary sources of data. Primary data is Course Title: Advance Statistical Methods in Education.

4. ## Samuel R.

18.12.2020 at 10:02
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Primary data are always original as it is collected by the investigator himself. Secondary data lacks originality. The investigator makes use of the data collected by other agencies.

5. ## AgnГЁs C.

21.12.2020 at 16:22
Reply

The column covered over 35 common research terms used in the health and social sciences.

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