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1. Provide an appropriate response. In order for applicants to work for the foreign-service department, they must take a test in the language of the country where they plan to work. The data below shows the relationship between the number of years that applicants have studied a particular language and the grades they received on the proficiency exam. Find the standard of estimate, se, given that y = 6.91x + 46.26. Number of vears, x 3 6 2 7 3 Grades on test, v 61 68 75 90 93 | 72 5.192 3.412 6.713 4.5786. Provide an appropriate response. The data below are ages and systolic blood pressures ( measured in millimeters of mercury) of 9 randomly selected adults. Find the equation of the regression line for the given data. Age, X 38 41 45 48 51 53 57 61 65 Pressure, v 116 120 123 131 142 145 148 150 152 O V = 60.461x + 1.488 O y = 1.448x - 60.461 Ov = 1.488x + 60.461 Ov = 60.461x - 1.48810. Provide an appropriate response. The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Construct a scatter plot for the Ejep Hours, x 5 5 6 Scores, v 65 60 SS 166 7S 190% 90 L11. Provide an appropriate response. The data below are the number of absences and the final grades of 9 randomly selected students from a statistics class. Find the standard error of estimate, S, given that v - - 2.75X + 96.14 Number of absences, x G 9 15 S Final grade, V 98 86 SO S2 71 92 55 76 8212. Provide an appropriate response. A manager wishes to determine the relationship between the number of miles fin hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the equation of the regression line for the given data. Miles traveled, x 2 3 10 S 15 13 11 Sales, V 31 33 78 62 65 61 48 55 120