None of these O e. Stem | Leaf 23 24 25 206 276 286 29 5 000233555668 and IQR = 17 QUESTION 12 The I.Q. scores of 19,000 college students are approximately normally distributed with a u = 125 and o = 14. Using your TI 83/84 calculator, determine the number of students (to the nearest whole number) that have an IQ score greater than 115. O a. Calculator answer = 18885 O b. Calculator answer = 11500 O c. Calculator answer O d. Calculator answer = O e Calculator answer = 4540 students (Table students (Table = 14488 students 13490 students (Table students (Table answer = 18855 students) answer = 11480 students ) (Table answer answer = 13470 students ) answer = 4513 students) = 14461 students ) QUESTION 13 Professor Pass Anyone, a statistics instructor, wants to determine if there is a positive linear correlation between study hours and final exam score for the students still left in his classes at the end of the semester. He randomly selected ten students from all his statistics classes and determined their number of study hours per week and their final exam grade. The sample results were: Final Exam: 96 82 86 89 91 92 85 80 92 85 ( [X = 878 [X2 = 77316) ad submit. Click Save All Answers to save all answers. Click Save and Submit to save and's Q 62 FQUESTION 13 = 14461 students ) 184 19% 20 210 22 23 241 25 26 276 Professor Pass Anyone, a statistics instructor, wants to determine if there is a positive linear correlation between study hours and final exam score for the students still left in his classes at the end of the semester. He randomly selected ten students from all his statistics classes and determined their number of study hours per week and their final exam grade. The sample results were: Final Exam: 96 82 86 89 91 92 85 80 92 85 ( EX = 878 [X2 = 77316) Study Hours: 21 14 13 19 13 19 14 10 17 16 (EX = 156 [Xz = 2538) Write the Regression equation to express the relationship between the a student's final exam grade given the number of hours th studied and then predict the final exam grade (to the nearest whole number) for a student who studied 16 hours. O a. y' = 69.69 + 1.16X ; the predicted final exam grade is 88. O b. none of these O c. y' = -31.15 + 0.53 X ; the predicted final exam grade is 23. O d. y' = 69.69 + 1.20X ; the predicted final exam grade is 89. O e.y' = 70 + 1.20X ; the predicted final exam grade is 89. QUESTION 14 k Save All Answers to save all answers. Click Save and Submit to save and su