Question A polling organization conducted surveys of randomly selected citizens 18 years old or older and asked whether they support the legalization of medicinal marijuana. The frequencies of reported opinions, by age group, are presented in the table. Age 18 to 29 30 to 49 50 or older For 78 124 100 Against 90 99 100 O A. Ho: Opinion and age are independent. H: Opinion and age are dependent. B. Ho: P1 = P2 P3 H,: At least one of the proportions is different from the others. O C. Ho: 0, = E, and O2 = E, and O3 = E3 H,: 0, #E, or O2 #E2 or O3 #E3 Compute the p-value.
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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