If the coefficient of the correlation is 04then the slope of

If the coefficient of the correlation is -0.4,then the slope of the regression line must also be -0.4 can be either negative or positive must be negative must be 0.16 In order to test the significance of the regression modal involving 3 independent variables and 47 observation ,the nominator and denominator degrees of random (respectively) for the critical value of F are47 and 3 3 and 47 2and 43 43 and 3 The variable takes on the values of 0 or 1 and is used to incorporate the effect of qualitative (categorical) variables in a regression model is called an interaction a constant variable a dummy variable none of these alternatives is correct. A measure of goodness of fit for the estimated regression equation is the coefficient of determination mean square due to error mean square due to regression sample size 40. A term used to describe the case when the independent variables in a multiple regression model are correlated is regression correlation. multicollinearity none of the above answers is correct. In a situation where the dependent variable can assume only one of the two possible discrete values (0 or 1) we must use multiple regression there can only be two independent variables logistic regression should be applied all the independent variables must have values of either zero or one

Solution

36 c) slope will be negative, however we dont know about its value hence answer is c

37 is D

38 C its called a dummy variable.

39 Coefficient of determination

40.C multicoliinearity

41 C logistic regression should be applied