In a multiple regression output, suppose the quoted 95% confidence interval for a particular regression coefficient extends from 3.76 to 7.12. Which of the following is the best conclusion? a. The t-value for the coefficient is likely to be small (less than 1, for example), but it could be positive or negative. b. The estimated coefficient minus two times its standard error will be positive. c. The p-value for the coefficient is likely to be large (greater than 0.1, for example). d. None of these choices are necessarily true.
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.
In a multiple regression output, suppose the quoted 95% confidence interval for a particular regression coefficient extends from 3.76 to 7.12. Which of the following is the best conclusion?
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