What is the sample in the following example? The administrators ...

[Jipu 123]

What is the sample in the following example? The administrators at West Virginia University want to determine the average commuting distance for their students who commute to school. They randomly select 450 students who commute and ask them the distance of their commute to campus. From this group a mean of 24.3 miles is computed
 A. All commuting students enrolled at the college.
  B. The mean commute distance for all commuting students at the university.
  C. 24.3 miles.
  D. The 450 randomly selected commuting students.

Question 2

At Vassar College, administrators want to determine the average commuting distance for their students who commute to school. They randomly select 250 students who commute and ask them the distance of their commute to campus. From this group a mean of 21.3 miles is computed. What is the population in this example?
 A. 21.3 miles
  B. The mean commute distance for all commuting students at the college..
  C. All commuting students enrolled at the college.
  D. The 250 randomly selected commuting students

[Rilsmarie951]

Answer to Question 1

Analysis:
A. Incorrect. The sample is the 450 randomly selected commuting students.
B. Incorrect. The sample is the 450 randomly selected commuting students.
C. Incorrect. The sample is the 450 randomly selected commuting students.
D. Correct. The sample is the 450 randomly selected commuting students.
ANSWER : D

Answer to Question 2

Analysis:
A. Incorrect. The population in this example is the total of all commuting students.
B. Incorrect. The population in this example is the total of all commuting students.
C. Correct. The population in this example is the total of all commuting students.
D. Incorrect. The population in this example is the total of all commuting students.
ANSWER : C

[Jipu 123]

TYSM

[Liddy]

Excellent