The following frequency distribution shows the time (in minutes) that a sample of students uses the computer terminals per day. 
a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.
Definitions:
Passive Resistance
A nonviolent opposition to authority, especially a refusal to cooperate with legal requirements.
Staff Meeting
A scheduled gathering of employees, often led by a manager or leader, to discuss status updates, strategies, and other organizational matters.
Unit Reorganization
A process of restructuring the setup or management of a department or area within an organization to improve efficiency or outcomes.
To-do List
A list of tasks or activities that one intends to accomplish over a specific period.
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