Which of the following statements is false? 1. Taller people tend to be heavier than shorter people, so the correlation between height and weight must be positive. 2. Older children tend to be taller than younger children, so the correlation between age and height in children must be positive. 3. Older men tend to have lower muscle density, so the correlation between age and muscle density in older men must be negative. 4. A researcher finds that the correlation between two variables is close to 0, so the two variables must be unrelated.
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 of the following statements is false?
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