Use the following information for questions:
A random sample of 600 students was asked whether student fees should be used to construct a new football stadium.
-An additional group of 5 football players, not selected in the sample, asked to be included so that their opinions could be heard. Adding these students to the sample
A) is a good idea because the margin of error would decrease.
B) is a good idea because students who have a strong opinion about the issue should be represented in the sample.
C) is not a good idea because the margin of error would increase.
D) is not a good idea because the resulting sample may not be representative of all students.

Question

Use the following information for questions:
 A random sample of 600 students was asked whether student fees should be used to construct a new football stadium.
-An additional group of 5 football players, not selected in the sample, asked to be included so that their opinions could be heard. Adding these students to the sample
A) is a good idea because the margin of error would decrease.
B) is a good idea because students who have a strong opinion about the issue should be represented in the sample.
C) is not a good idea because the margin of error would increase.
D) is not a good idea because the resulting sample may not be representative of all students.

Quizplus · Accepted Answer

Adding a specific group with a strong interest in the outcome (football players) to a random sample can bias the results, making the sample less representative of the overall student population.

Use the Following Information for Questions