Could be multiple correct answers

QUESTION 16 Which of the following statements is/are correct regarding linear regressions (with least square method) O Having a small p value means the result is economically important. O Linear regressions only fit straight lines O R2 (not adjusted) is always between 0 and 1 O Causality between the y-variable and x-variable(s) can be demonstrated by a multiple linear regression, but not by any simple linear regressions. 0 95% CI for Bo+ 1X is wider than the 90% CI