A Group of Statistics Students Decided to Conduct a Survey

question 67

Multiple Choice

A group of statistics students decided to conduct a survey at their university to find the average
(mean) amount of time students spent studying per week. Assuming a standard deviation of 3
Hours, what is the required sample size if the error is to be less than ½ hour with a 99% level of
Confidence?

• A) 196
• B) 240
• C) 15
• D) 16

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Definitions:

Threshold

The minimum level of stimulus intensity required to activate a neural response or trigger a physiological process.

Na+

Sodium ion, a vital electrolyte in the human body that helps regulate fluid balance and nerve function.

White Matter

A component of the central nervous system, primarily consisting of myelinated nerve fibers and responsible for communication between different brain regions.

Myelinated Axons

Axons that are encased in myelin, a fatty substance that speeds up the transmission of nerve impulses.