A Group of Statistics Students Decided to Conduct a Survey

question 89

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 6 hours, what is the required sample size if the error is to be less than ½ hour with a 95% level of confidence?

• A) 554
• B) 130
• C) 35
• D) 393

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Definitions:

Agnosia

A neurological condition characterized by the inability to recognize and identify objects, people, sounds, or shapes, despite having intact sensory functions.

Motor Activities

Physical movements or actions performed by an individual, often assessed to evaluate neurological or psychological conditions.

Apraxia

A motor disorder caused by damage to the brain, characterized by difficulty in executing voluntary muscle movements, despite having the desire and physical capacity to perform them.

Major Neurocognitive Disorder

A significant decline in cognitive function affecting areas such as memory, attention, and reasoning, impeding independence in daily activities.