Performance-based logistics. Refer to the Journal of Business Logistics (Vol. 36, 2015) study of the factors that lead to successful performance-based logistics (PBL) projects , Exercise 1.15 (p. 25). Recall that opinions of a sample of 17 Department of Defense employees and suppliers were

solicited during interviews. Demographics (current position, organization type, experience) were recorded for each interviewee and the data listed in the table below.

a. Find and interpret the mean years of experience for the 17 interviewees.
b. Find and interpret the median years of experience for the 17 interviewees.
c. Find and interpret the mode of the 17 years of experience values.

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Experience (years) Interviewee Position Organization Vice president Postproduction Analyst Senior manager (mgr.) Support chief Specialist Senior analyst Commercial 30 Government 15 3 Commercial 10 4 Government 30 Government 30 6. Government 25 Commercial Division chief Government Item mgr. Senior mgr. MRO mgr. Logistics mgr. MRO mgr. MRO mgr. MRO mgr. Government 3 10 Government 20 11 Government 25 12 Government 30 Commercial 13 10 14 Commercial 5 Commercial 15 10 16 Specialist Government 20 17 Chief Government 25