A Population of Graduate Students at a Large University Was

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%.