Answer Happy

Weight
Life Expectancy
9
14
76
11
13.5
15
50
12
15.5
13
50
9
7. Find the coefficient of determination. a. 0.5862 b.-0.7656 c. 0.4827 d. 0.7656 8. Find the correlation coefficient. a. 0.5862 b. -0.7656 c. 0.4827 d. 0.7656 9. Find s2. a. 377.3036 b. 301.8429 c. 1.9313 d. 2.4141 10. Find So, a. 0.0257 b. 4.0212 c. 0.0314 d. 0.3930 11. Find the test statistic for testing if bis significant or not. a. 13.0139 b. 2.3802 c. 3.0605 d. -2.3802 12. Find the 99% confidence interval for Bi. a. (9.3815, 19.6536) b. (-0.1797, 0.0572) c. (-77.5261, 384.9546) d. (-28.0855, 8.9426) 13. Assuming a dog weighs 20 pounds, what is their expected life expectancy? a. 13.2936 b. 15.7416 c. 13.0000 d. 14.2547 14. Assuming a dog weighs 20 pounds, what is the 90% confidence interval for their expected life expectancy? a. (12.0622, 19.4210) b. (9.6142,16.9730) c. (11.6914, 14.8958) d. (14.1394, 17.3438) 15. Assuming a dog weighs 20 pounds, what is the 90% prediction interval for their expected life expectancy a. (12.0622, 19.4210) b. (9.6142,16.9730) c. (11.6914, 14.8958) d. (14.1394, 17.3438)