How can the split-half reliability be computed

The estimated regression line: a.    does not change the sum of squared residuals.b.    maximizes the sum of squared residuals.c.    minimizes the sum of squared residuals.d.    sometimes maximizes and sometimes minimizes the sum of squared residuals.can you also explain the answer, please

A regression line for predicting test scores has an r.m.s. error of 8 points. When this result is used to predict test scores  about 68% of the predictions will be right to within how many points?

What is basic regression? What is multiple regression? How do they both relate to Data Mining?

What is the differed annual expenditures of two families if their annual net incomes are differed by 2000? The computed regression line has a value of a=4.32 and b=2.12.

in multiple regression analysis, a residual is the difference between the value of a dependent variable and its corresponding independents variable value? True or false?

Define regression line

How does linear regression differ from analysis of variance?

A regression line for predicting test scores has an r.m.s. error of 8 points. When this result is used to predict test scores, about 95% of the predictions will be right to within how many points.

An assumption of regression analysis is homoscedasticity, which states that the      residuals exhibit no patterns across values for the dependent variable.     relationship between the independent and dependent variables is linear.     residuals exhibit no patterns across values for the independent variable.     variation of the dependent variable is the same across all values for the independent variable.