HSC Commerce Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions

A measure of the strength of the linear relationship that exists between two variables is called:

If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be:

If the points on the scatter diagram indicate that as one variable increases the other variable tends to decrease the value of r will be:

The value of the coefficient of correlation r lies between:

Define Correlation.

State and explain the different kinds of Correlation.

Calculate the Karl Pearson Correlation Co-efficient for the following data:

Differentiate between the money market and the capital market.

Bank Rate means.

The term regression was used by:

The purpose of simple linear regression analysis is to:

A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called:

In the regression equation Y = β₀ +β₁ X, the Y is called:

In the regression equation Y = β₀ +β₁ X, the X is called:

The term Uiin regression equation is a ______.

Define Regression.

Mention the uses of Regression Analysis.

If Y = 2 - 0.2X, then the value of the Y-intercept is equal to ______.

Find the regression equation Y on X and X on Y for the following data:

Mention the countries where per capita carbon dioxide emission is the highest in the world.