Julius Has Conducted a Very Small Study of the Amount

question 31

Multiple Choice

Julius has conducted a very small study of the amount of sleep his dorm mates get each night.He believes that those who are on one of the school's sports teams will get more sleep than those who are not.Julius asked 6 people in his dorm who do not play sports and 6 who do play sports to participate.Because he thinks that the number of credit hours a student is taking also might impact sleep habits,he matched each person in the "plays sports" group with a person in the "does not play sports" group who was carrying the same number of hours.The descriptive statistics from his survey are given below.Conduct an appropriate one-tailed t-test using and determine the t_obt.

• A)t(5)= 2.35
• B)t(5)= 2.28
• C)t(10)= 1.80
• D)t(10)= 1.75

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Definitions:

American Psychiatric Association

A leading professional organization for psychiatrists in the United States, dedicated to advancing the understanding and treatment of mental illnesses.

Telephone Scatologia

Obscene phone calls, particularly those involving sexual content or threats, often made by an individual who obtains sexual pleasure from such activities.

Obscene Phone Calls

Making unwanted or unsolicited sexual or inappropriate comments, threats, or suggestions over the telephone to harass or intimidate the recipient.

Unsuspecting

Not aware of or not suspecting that something, possibly unpleasant or harmful, is happening or will happen.