Which situation is describes a correlation that is not a causal relationship? a. the age of a child and the number of siblings he has b. the length of the edge of a cube and the volume of the cube c. the distance travelled and the time spent driving d. the number of classes taught in a school and the number of teaches employed
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.
Which situation is describes a
the age of a child and the number of siblings he has
the length of the edge of a cube and the volume of the cube
the distance travelled and the time spent driving
the number of classes taught in a school and the number of teaches employed
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