A Biology Professor Claimed That the Proportions of Grades in His

question 93

Essay

A biology professor claimed that the proportions of grades in his classes are the same. A sample of 100 students showed the following frequencies. $$\begin{array} { | l | c | c | c | c | c | } \hline \text { Grade } & \text { A } & \text { B } & \text { C } & \text { D } & \text { F } \\\hline \text { Frequency } & 14 & 23 & 27 & 26 & 10 \\\hline\end{array}$$ Determine the rejection region at the 5% significance level.

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Definitions:

Stress-Relieving Technique

Methods or practices designed to reduce stress levels in individuals, enhancing overall well-being and mental health.

Assertiveness Training

A set of techniques and strategies designed to help individuals communicate their needs and desires confidently and respectfully.

Mindfulness Stress Reduction

A program that utilizes mindfulness meditation techniques to help individuals decrease stress and improve overall well-being.

Progressive Muscle Relaxation

A technique used for reducing stress and anxiety by tensing and then relaxing each muscle group in the body sequentially.