A Teacher Figures That Final Grades in the Statistics Department $$x ^ { 2 }$$

question 84

Multiple Choice

A teacher figures 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 number of grades were recorded. Calculate
The chi-square test statistic χ $$x ^ { 2 }$$ to determine if the grade distribution for the department is different than
Expected. $$\begin{array} { l | l l l l l } \text { Grade } & \text { A } & \text { B } & \text { C } & \text { D } & \text { F } \\\hline \text { Number } & 36 & 42 & 60 & 8 & 14\end{array}$$

• A)5.25
• B)6.87
• C)3.41
• D)4.82

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Definitions:

Forming Stage

The initial phase of team development where members meet and start to work together for the first time.

Accepted

Recognized as valid or suitable within a particular context or community; generally agreed upon.

Understood

Refers to the state or condition of being comprehended or grasped mentally.

Final Stage

The last phase in a process or lifecycle where objectives are finalized or outcomes are fully realized.