Need help with question 4 and 5. Using the following output:

QUESTION 4 Which of the following is a correct statement regarding / ? O a. rz = 0.4268 meaning that Years of Experience explains 42.68% of the variability in Salary. O b. Iz = 0.00033 meaning that Years of Experience explains 0.033% of the variability in Salary. O c. 12 = 0.4268 and because 0.4268 > 0.05 we do not reject Ho at the 5% level of significance, ie we conclude there is no significant linear relationship between Salary and Years of Experience. o d. /2 = 0.00033 and because 0.00033 )t)) (Intercept) 31.8387 8.5565 3.721 0.00033** * Years 2.8205 0.3302 8.543 1.74e-13 ** * Signif. codes: 0 ** *) 0.001 **) 0.01 "* 0.05 "' 0.1"' 1 Residual standard error: 25.98 on 98 degrees of freedom Multiple R-squared: 0.4268, Adjusted R-squared: 0.421 F-statistic: 72.98 on 1 and 98 DF, p-value: 1.737e-13 Residual standard error: 8.044 on 445 degrees of freedom Multiple R-squared: 0.6914, Adjusted R-squared: 0.6886 F-statistic: 249.2 on 4 and 445 DF, p-value: