Calculate Average of relative Index numbers of prices, A.M as an average and taking 2002 as base. Question 7 Construct chain indices for the following data (use with mean in average the relatives) Commodity 2002 2003 2004 2005 A 80 120 320 220 B 95 130 420 230 C 110 140 250 240 D 125 150 360 250
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
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