What is the value of the coefficient of determination ? what is the slope of the regression equation? what is the intercept ?
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.
What is the value of the coefficient of determination ?
what is the slope of the regression equation?
what is the intercept ?
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(X) and number of civil disturbances (Y) for
cities in Maryland.
1. Fill out the calculation table from the data
City X Y
A
14 12
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2. What is the mean of X?
3. What is the mean of Y? 7
4. What is the value for r (correlation coeffic
5. What is the value of the coefficient of
determination?
6. What is the value of the coefficient of
nondetermination?
7. What is the slope (b)of the regression equ
8. What is the intercept (a)?
9. Solve for the regression equation and writ
shown during the lecture and in your textboC
10. Write out a statement about your finding"
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