Applicants for a Particular Job,which Involves Extensive Travel in Spanish-Speaking

Multiple Choice

Applicants for a particular job,which involves extensive travel in Spanish-speaking countries,must take a proficiency test in Spanish.The sample data were obtained in a study of the relationship between the numbers of years applicants have studied Spanish and their score on the test.
Dependent variable is: Score
R-squared = 83.0%
S = 5.65138 with 10 - 2 = 8 degrees of freedom
$\begin{array} { l r r l l } \text { Variable } & \text { Coefficient } & \text { SE(Coeff) } & \text { t-ratio } & \text { P-value } \\\text { Constant } & 31.53333 & 6.360418 & 4.957745 & 0.00111 \\\text { Number of years } & 10.90476 & 1.744054 & 6.252538 & 0.000245\end{array}$

A) Score = 31.53333 × Number of Years + 10.90476; We estimate that the scores on the proficiency test for these applicants increase about 10.90476 points for each additional year spent studying Spanish.
B) Score = 31.53333 + 10.90476 × Number of Years; We estimate that the scores on the proficiency test for these applicants increase about 31.53333 points for each additional year spent studying Spanish.
C) Score = 31.53333 + 10.90476 × Number of Years; We estimate that the scores on the proficiency test for these applicants increase about 10.90476 points for each additional year spent studying Spanish.
D) Number of Years = 31.53333 + 10.90476 × Score; We estimate that the number of years spent studying Spanish increases about 10.90476 years for each additional point scored on the test.
E) Score = 31.53333 × Number of Years + 10.90476; We estimate that the scores on the proficiency test for these applicants increase about 31.53333 points for each additional year spent studying Spanish.