The human resources department of a local company conducted a study to determine if there was a relationship between seniority, measured in months, and job performance, based on the company's annual evaluation data.

Based on the data given, which inference is valid?

Responses
A In general, the lower an employee's seniority, the higher his/her job performance score.In general, the lower an employee's seniority, the higher his/her job performance score.
B In general, an employee's seniority has no impact on his/her job performance.In general, an employee's seniority has no impact on his/her job performance.
C In general, the lower an employee's seniority, the lower his/her job performance score.In general, the lower an employee's seniority, the lower his/her job performance score.
D In general, the greater an employee's seniority, the higher his/her job performance score.In general, the greater an employee's seniority, the higher his/her job performance score.

Based on the study conducted by the human resources department, the valid inference would be:

D. In general, the greater an employee's seniority, the higher his/her job performance score.