Are Republicans less likely than Democrats to display the American flag in front of their residence on the Fourth of July? 434 of the 685 Republicans surveyed display the flag on the Fourth of July and 468 of the 687 Democrats surveyed display the flag on the Fourth of July. What can be concluded at the a = 0.01 level of significance? For this study, we should use z-test for the difference between two population proportions a. The null and alternative hypotheses would be: Ho: p1 p2 V (please enter a decimal) H1: p1 p2 V (Please enter a decimal) b. The test statistic zv (please show your answer to 3 decimal places.) %3D C. The p-value = (Please show your answer to 4 decimal places.)
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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