QUESTION 8 Which of the following R scripts will display the critical value of F with df1 = df2 = 27 in performing a two-tailed test at 5% level of significance? O qf (0.025, 27, 27); qf (0.975, 27, 27) O qf (0.025, 27, 27); 1- qf (0.025, 27, 27) O qf (0.05, 27, 27); 1- qf (0.05, 27, 27) O qf (0.05, 27, 27); qf (0.95, 27, 27)