A Group of Statistics Students Decided to Conduct a Survey

question 46

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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