Application for a particular job, which involves extensive travel in Spanish-speaking countries must take a proficiency test in Spanish. The sample data below were obtained in a study of the relationship between the number of years applicants have studied Spanish ( ) and the score on the exam (y). Conduct a linear regression test with an alpha of 05 .
3 4 4 2 5 3 4 5 3 2 y 57 78 72 58 89 63 73 84 75 84
Rubric: 1 point correct hypothesis 2 Points for interpretations with the linear function.