Big city Small town Rural Heart disease 35 38 24 The place of life 22 28 53 If one of these individuals is selected at random, find the а. Possibility of being someone who does not live in the countryside while known to be someone without a heart disease. b. Possibility of someone with heart disease, known to be someone who doesn't live in the big city.
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.
In an experiment to examine the relationship between heart disease and the place of life,the following data were collected for 200 people:
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