A Group of Statistics Students Decided to Conduct a Survey

question 57

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 population standard deviation of six hours,what is the required sample size if the error should be less than a half hour with a 95% level of confidence?

• A)554
• B)130
• C)35
• D)393

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Definitions:

Office Manager

A professional responsible for overall office operations, ensuring efficient functioning through administrative, financial, and managerial tasks.

Good Business Communication

The effective exchange of information and ideas within a business environment that aids in decision-making and problem-solving.

Casual

Informal or relaxed in style or manner, often referred to clothing or conversation.

Concise

Expressing or covering much in few words; being brief but comprehensive.