A Teacher Finds That Final Grades in the Statistics Department $\alpha = 0.01$

question 59

Essay

A teacher finds that final grades in the statistics department are distributed as: A, 25%; B, 25%; C, 40%; D, 5%; F, 5%. At the end of a randomly selected semester, the following grades were recorded. Determine if the grade distribution for the department is different than expected. Use $\alpha = 0.01$ $$\begin{array} { l | c c c c c } \text { Grade } & \text { A } & \text { B } & \text { C } & \text { D } & \text { F } \\\hline \text { Number } & 36 & 42 & 60 & 14 & 8\end{array}$$

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Definitions:

Compliance

The act of conforming to a request, rule, or expectation.

Social Facilitation

The tendency for people to perform differently, usually better, when in the presence of others compared to when alone.

Conformity

The act of matching attitudes, beliefs, and behaviors to group norms or standards.

Audience Effect

Describes the impact of an audience's presence on an individual's performance, often leading to enhancement or impairment depending on various factors.