For a table of national information regarding a specific country, it is found that the correlation with Internet use is 0.545 for GDP, 0.734 for cellular-phone use, 0.664 for literacy, −0.893 for fertility, and 0.854 for CO2 emissions. Which variable has the weakest linear association with Internet use? a. GDP has the weakest linear association with Internet use. b. Cellular-phone u
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.
For a table of national information regarding a specific country, it is found that the
| a. |
GDP has the weakest linear association with Internet use. |
|
| b. |
Cellular-phone use has the weakest linear association with Internet use. |
|
| c. |
Fertility has the weakest linear association with Internet use. |
|
| d. |
CO2 emissions has the weakest linear association with Internet use. |
|
| e. |
Literacy has the weakest linear association with Internet use. |
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