Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors.A sample of 400 students taken from this year's student body showed the following number of students in each classification. 
We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.The expected frequency of seniors is
Definitions:
Charismatic Leadership
A leadership style characterized by an individual's ability to inspire and motivate others based on their personal charm and persuasion.
Referent Power
A form of influence based on personal traits and relationships rather than formal authority, where followers identify with, like, or respect the leader.
Strategic Vision
A clear and aspirational view of the future state that an organization or individual aims to achieve.
Transformational Leadership
A style of leadership where a leader works with teams to identify needed change, creating a vision to guide the change through inspiration, and executing the change in tandem with committed members of a group.
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