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Test: Collection of Data - 1 - Mechanical Engineering MCQ


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10 Questions MCQ Test General Aptitude for GATE - Test: Collection of Data - 1

Test: Collection of Data - 1 for Mechanical Engineering 2024 is part of General Aptitude for GATE preparation. The Test: Collection of Data - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Collection of Data - 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Collection of Data - 1 below.
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Test: Collection of Data - 1 - Question 1

A self-addressed and stamped envelope should be enclosed with a questionnaire is called

Detailed Solution for Test: Collection of Data - 1 - Question 1

A cover letter accompanies or transmits another document such as a survey questionnaire. Its purpose is to alert the respondent about the questionnaire it accompanies and to provide the details of requested actions on the part of the respondent. A cover letter is a living document that often accompanies a resume.

Test: Collection of Data - 1 - Question 2

Data collected from the original source of information is called

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These are collected from the very source of information. They are collected for the first time from the original source of information.

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Test: Collection of Data - 1 - Question 3

A sample which is capable of providing reasonably accurate information about the population at a much lower cost and shorter time is known as

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A good sample is one which is smaller than the population and is capable of providing reasonable accurate information about the population at a much lower cost and in shorter span of time. This kind of a sample is also known as representative sample.

Test: Collection of Data - 1 - Question 4

The subject that helps in analysing economic problems and formulating policies to solve them is

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Statistics helps in analysing economic problems and formulating policies to solve them. Statistics is the study of aggregate of facts numerically expressed.

Test: Collection of Data - 1 - Question 5

Compensating errors are also known as

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Unbiased errors are those that arise accidently just on account of chance in the normal course of investigation. They are also known as compensating errors.

Test: Collection of Data - 1 - Question 6

The population divided into several homogeneous groups is called

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The correct option is Option C.

In stratified sampling, the population is divided into several homogeneous groups, known as "strata," based on specific characteristics (e.g., age, income, education). Then, samples are collected from each stratum to ensure that the sample accurately reflects the population's composition. This method helps in reducing sampling bias and increasing precision.

Test: Collection of Data - 1 - Question 7

In case the interviewer is unable to contact a person, it is called

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Non-response errors occur when the respondent refuses to respond or the person refuses to provide information.

Test: Collection of Data - 1 - Question 8

Dividing population into several homogeneous groups for data collection is called

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The correct answer is:

b) Stratified sampling.

Explanation:

In stratified sampling, the population is divided into several homogeneous groups, known as "strata," based on specific characteristics (e.g., age, income, education). Then, samples are collected from each stratum to ensure that the sample accurately reflects the population's composition. This method helps in reducing sampling bias and increasing precision.

Test: Collection of Data - 1 - Question 9

The data obtained from the records of an organisation is called

Detailed Solution for Test: Collection of Data - 1 - Question 9

Primary data is data that is collected by a researcher from first-hand sources, using methods like surveys, interviews, or experiments. It is collected with the research project in mind, directly from primary sources.

Secondary data is the data that has already been collected through primary sources and made readily available for researchers to use for their own research. A researcher may have collected the data for a particular project, then made it available to be used by another researcher.
So it is a secondary  data.

Test: Collection of Data - 1 - Question 10

Primary data is gathered through

Detailed Solution for Test: Collection of Data - 1 - Question 10

A primary data source is an original data source, that is, one in which the data are collected firsthand by the researcher for a specific research purpose or project. Primary data collection is quite expensive and time consuming compared to secondary data collection. It is collected with the research project in mind, directly from primary sources.

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