Correlation Ch.-7 (Ver 8)

As the summer heat rises, hillstations, are crowded with more andmore visitors. Ice-cream sales becomemore brisk. Thus, the temperature isrelated to number of visitors and saleof ice-creams. Similarly, as the supplyof tomatoes increases in your localmandi, its price drops. When the localharvest starts reaching the market,the price of tomatoes drops from aprincely Rs 40 per kg to Rs 4 per kg oreven less. Thus supply is related toprice. Correlation analysis is a meansfor examining such relationshipssystematically.

to measure correlation are scatter diagrams, Karl Pearson’s coefficient of correlation and Spearman’s rank correlation. A scatter diagram visually presents the nature of association without giving any specific numerical value. A numerical measure of linear relationship between two variables is given by Karl Pearson’s coefficient of ...

Loading..

Tags:

  Correlations, Rank, Coefficients, Spearman, Rank correlation

Information

Related search queries