80 What does the graph reveal about the relationship 70 between age groups and the use of smartphones for navigation? O As age increases, the percent of owners who use their smartphones for navigation decreases. O There is no relationship between the age of 40 30 20 smartphone owner and whether he or she uses the smartphone for navigation. Women are more likely than men to use a smartphone for navigation after age 49. O Twice as many 18-29 year olds use their smart phones for navigation as 30-49 year olds. O As age increases, the percent of owners who use their smartphones for navigation increases. 10 18-29 30-49 50-64 65+ Age group (years) Percent who use smartphone for navigation
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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