9. Find the value of t such that the area to the left of__-t plus the area to the right of t equals 0.02. Assume the degrees of freedom equals 16. 2.1_Choose the picture which best describes the problem. (3 points) " :0? ' " 4-? ' " 4-? l 1-? ' " 4-9 I \"I? ' 9. 2_Eind the t value for the given problem in the 1' table. (4 points) Answer: 10. The director of research and development is testing a new drug. She wants to know if there is evidence at the 0.02 level that the drug stays in the system for less than 330 minutes. For a sample of 46 patients, the mean time the drug stayed in the system was 323 minutes. Assume the population variance is known to be 361. 10.1 State the hypotheses (in mathematical expression);=(4 points) Ho: H1: 10.2 Find the value of the test statistic. (Round your answer to 2 decimal places.) (4 points) Answer: 10.3 Specify if the test is one-tailed or two-tailed. (3 points) A) One-Tailed Test B) Two-Tailed Test 10.4 Find the P value of the test statistic. (Round your answer to 4 decimal places.) (4 points) Answer: 10.5 Determine the value of the level of signicance. (4 points) Answer: 10.6 Determine the conclusion. (4 points) A) Reject Null Hypothesis B) Fail to Reject Null Hypothesis 11. The following table was generated from the sample data of 10 MS in MS students predicting the number of parking tickets student receives in a semester with the student's age, and the student's GPA. Student's GPA 0.282104 0.02854? 9.881981 0.000062 Student's Age - 0.450928 0.095499 - 4.721286 0.003252 11.1 Write the multiple regression equation for the computer output given. Enter answers out to 3 W (3 Points} 3" = += x1 (GPA) + X2 (Age) 11.2 Mark which independent variables could be eliminated if the level of signicance is 0.05, or select \"Keep all variables\" if none can be eliminated. (3 points) A) x1 B) x; C) Keep all variables 12. bonsider the following table: m 12.1 Calculate the Sum of Squared Error. (2 points) Answer: 12.2 Calculate the Degrees of Freedom among Regression. (2 points) Answer: 12.3 CaICulate the Mean Squared Regression. (2 points) Answer: 12.4 Calculate the Fvalue. (Round your answer to 2 decimals) (2 points) Answer: 12.5 How much of the variation in the dependent variable is explained by the regression? (2 points) Answer: 12.6 What proportion of the variation is explained by the regression? (2 points) Answer: 12.7 What is the estimated variance of the error terms? (2 points) Answer: 12.8 What is the total variability of the dependent variable? (2 points) Answer: