The following table shows the marks obtained by 10 students of a college in Accountancy (X) and Statistics (Y) out of a maximum of 50 marks: Accountanc 24 32 24 26 34 28 30 30 35 37 y Statistics 20 27 24 | 24 | 27 24 | 32 25 31 36 b) Calculate coefficient of correlation between marks in Accountancy and marks in Statistics.
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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