Musical activities. Use the following information for Exercises 84 and 85. USA Weekend conducted a survey of the nation's teenagers, asking them various questions about lifestyle and music. Nearly 60,000 teenagers responded to the poll, which was conducted in part through USA Weekend's Web site. One question was, “Do you listen to music while you are … ?” and listed several options. Respondents were asked to select all that apply. The most common responses are shown in the table below.
Doing chores | 79% |
On the computer | 73% |
Doing homework | 72% |
Eating meals at home | 33% |
In the classroom | 18% |
84. Do you think that the sample is representative of all U.S. teenagers? How might the sample systematically introduce bias?