The following table shows the scores on a clerical aptitude test and grades in a clerical skills course for 11 business administration students. Determine the grade in the clerical skills course if a student scores 89 on an aptitude test.

Aptitude Test (x)	Skill Course Grades (y)
86	88
83	85
92	89
79	89
87	92
92	90
91	90
97	93
84	86
82	82
94	94