We are interested in studying how a dog’s weight affects their
life expectancy. The following data has been provided:
Weight
Life Expectancy
9
14
76
11
13.5
15
50
12
15.5
13
50
9
We Are Interested In Studying How A Dog S Weight Affects Their Life Expectancy The Following Data Has Been Provided We 1 (115.03 KiB) Viewed 34 times
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 s. a. 377.3036 b. 301.8429 c. 1.9313 d. 2.4141 10. Find sp, a. 0.0257 b. 4.0212 c. 0.0314 d. 0.3930 11. Find the test statistic for testing if by is 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)
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