6. In the table below prices of fish and pork before Christmas. Calculate the Speaman co efficient of rank correlation and determine whether it differs significantly from 0 Day Price of Mil k fish Price of Pork 1 100 150 2 105 142 102 140 4 115 126 124 133 6. 110 135 112 132 8. 112 130 114 125 10 122 124 11 111 122 12 100 120 00
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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