Question
In order for applicants to work for the foreign-service department, they must take a test in...
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 show the relationship between the number of years that applicants have studied a particular language and the grades they received on the proficiency exam.
Number of Years (X) 3 4 4 5 3 6 2 7 3
Grades on Test (Y) 61 68 75 82 73 90 58 93 72
What is the best predicted grade for an applicant who has studied the language for 5.5 years? Assume that the variables x and y have a significant correlation.
A. 84
B. 86
C. 82
D. 80
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