In order for applicants to work for the foreign-service department, they must take a test in the language of the tountry 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 equation of the regression line for the given data. Q?- = 46.261x + 6.910 O? = 46.261x - 6.910 O .3 = 6.910x - 46.261 0 5" = 6.910x + 46.261 to