SCENARIO 15-8
Recently, a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time (hours) students are spending on the computer registering under the new system.She decides to randomly select 8 students on each of the 12 days of the registration and determine the time each spends on the computer registering.The range, mean, and standard deviation of the times required to register are in the table that follows.
-Referring to SCENARIO 15-8, an X chart is to be used for the time required to register.The lower control limit for this data set is , while the upper control limit is . 
Definitions:
Service Quality
A measure of how well the service level delivered matches customer expectations, often evaluated in terms of reliability, responsiveness, assurance, empathy, and tangibles.
Direct Leadership
A leadership approach where the leader interacts with followers directly, providing clear instructions, guidance, and feedback.
Human Capital
The skills, knowledge, experiences, and abilities possessed by individuals, regarded as assets to an organization or country.
Social Capital
The networks, relationships, and connections among people that can be economically valuable and facilitate cooperation and coordination.
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