A Group of Statistics Students Decided to Conduct a Survey

question 82

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

• A) 554
• B) 130
• C) 35
• D) 393

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Definitions:

Parole and Probation

Systems of supervised release from prison (parole) or alternative sentencing options (probation) that aim to rehabilitate offenders.

Probation Officer

A law enforcement official responsible for supervising offenders who are under probation instead of serving time in prison.

Law Enforcement Personnel

Individuals who are responsible for maintaining public order, safety, and enforcing the law.

Searching Probationers

The legal practice of conducting searches on individuals on probation as part of their supervision process, often without a warrant.