6. The production manager of a company wishes to examine the relationship between the aptitude test score given prior to the hiring of production line workers and the performance ratings received by employees three (3) months after hiring. begin to work. The results of the study would allow the company to decide how much weight these aptitude tests have in relation to other employment history information obtained, including references. Aptitude test results range from 0 to 100. Performance ratings are as follows: (Xm21-07) 1 = The employee has performed well below average. 2 = The employee has performed somewhat below average. 3 = The employee has performed at a medium level. 4 = The employee has performed somewhat above average. 5 = The employee has performed well above average. Is there evidence to infer that there is a relationship between attitude and performance?