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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard English Medium Economics Subject Introduction to Statistical Methods and Econometrics Book Back 2 Mark Questions with Solution updated Book back Questions

Published on: 13/05/2022

QB365 provides detailed and simple solution for every book back questions in class 12 Economics subject.It will helps to get more idea about question pattern in every book back questions with solution.

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Download Tamil Nadu 12th Standard Economics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 12th Standard - Economics

chapter: - Book back Questions

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Questions:

Generic 2

5 x 2 = 10

Define Regression.

Define Correlation.

What are the kinds of data?

What do you mean by Inferential Statistics?

What are the kinds of Statistics?

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Answers Key:

Generic 2

5 x 2 = 10

(i) Regression means going back and it is a mathematical measure showing the average relationship between two variables.
(ii) It indicates the cause and effect relationship between the variables and establishes functional relationship.

(i) Correlation is a statistical device that helps to analyse the covariation of two or more variables.
(ii) Correlation is the relationship between two or more variables which vary with the other in the same or the opposite direction.

(i) Based on characteristics there are quantitative and qualitative data.
(ii) Qualitative data is classified as nominal data and rank data.
(iii) Based on the data sources there are primary data and secondary data.

The branch of statistics concerned with using sample data to make an inference about a population of data is called Inferential Statistics.

There are two major types of statistics.
(i) Descriptive statistics
(ii) Inferential statistics