A high value of R2 significantly above 0 in multiple regression accompanied by insignificant
t-values on all parameter estimates very often indicates a high correlation between independent variables in the model.

Question

Quizplus · Accepted Answer

A high R2 indicates a strong relationship between the dependent variable and the independent variables, but if the t-values are insignificant, it may indicate that the individual independent variables do not have a significant impact on the dependent variable and there may be multicollinearity between the independent variables.

A High Value of R2 Significantly Above 0 in Multiple