A Random Sample of 49 Statistics Examinations Was Taken

question 49

Multiple Choice

A random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 with a variance of 12.25. The 95% confidence interval for the average examination score of the population of the examinations is

• A) 83.45 to 84.55.
• B) 80.07 to 87.93.
• C) 83.29 to 84.71.
• D) 80.5 to 87.5.

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Definitions:

Emotional Coping

Strategies or mechanisms used to manage emotional stress or handle challenging emotional situations.

Yerkes-Dodson Law

A psychological principle that suggests there is an optimal level of arousal for performance, and both too little and too much can hinder performance.

Stress Levels

The degree or intensity of stress experienced by an individual or within a specific environment.

Stress

A state of mental or emotional strain or tension resulting from adverse or demanding circumstances.