A Population of Graduate Students at a Large University Was

question 2

Multiple Choice

A population of graduate students at a large university was being studied through the use of a sample survey.The researcher was trying to estimate the mean debt carried by the students through student loans and the proportion of all students that carry a student loan.A stratified random sample of 350 students was selected from the various schools within the university.The sample results showed that 30% held a student loan and the mean debt was $18,450.Which of the following statements is TRUE?

• A)The result,30%,is a statistic and the mean debt,$18,450,is the value of the parameter.
• B)The mean debt held by all students is a parameter,and the 30% who hold student loans is the value of a parameter.
• C)The mean debt of all students,the proportion holding a loan,and the values 30% and $18,450 are all examples of parameters.
• D)The mean debt of all students and the proportion holding student loans are both parameters,but the values 30% and $18,450 are statistics.
• E)The mean debt of all students is a parameter,and its value is $18,450.The proportion holding a student loan is also a parameter whose value is 30%.

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Definitions:

Testosterone

A steroid hormone found in both men and women but at higher levels in men, playing a key role in the development of male reproductive tissues and secondary sexual characteristics.

Hormone

A chemical substance produced in the body that regulates and controls the activity of certain cells or organs.

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A type of aggression that is driven by emotions, particularly anger or hostility, rather than by a strategic desire to achieve a specific goal.

Negative Emotion

A type of emotional response characterized by feelings of sadness, anger, or fear, that is typically regarded as unpleasant or undesirable.