20 The best way to represent large amounts of bivariate data graphically is to use a comparative bar chart pie chart Scatter plot histogram
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.
When there are two variables present in the data, whether dependent or independent, they are called bivariate data such as height and weight of the students in a class, marks of mathematics and statistics of the students in the class etc.
There are several graphical plots that can be used to represent bivariate data.
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