To test whether the time required to fully load a standard delivery truck is the same for three work shifts (day, evening, and night), NatEx obtained the following data on the time (in minutes) needed to pack a truck. Use these data to test whether the population mean times for loading a truck differ for the three work shifts. Use = .05. 
Definitions:
Intrarole Conflict
A situation where conflicting demands are placed on an individual within the same role, leading to stress or difficulty in performance.
Interpersonal Conflict
A situation where two or more people have opposing interests or perspectives, causing disagreement.
Person-Role Conflict
Occurs when an individual's personal values, beliefs, or behaviors conflict with the expectations of their role within an organization.
Work-Role Conflict
A situation in which the demands of a job are incompatible or in conflict with an individual's personal responsibilities or beliefs.
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