13. The following are the heights and weights of 9 çmployees: a. Find the regression cquation. b. Estimate the weight of an employee with a height of 178 cm. Employee Height (in cm) Weight (in kg) 1 154 50 152 45 157 51 162 55 5. 160 50 6. 167 77 .7 170 76 8 172 77 9. 165 60 2. 3. 4.
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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