AP Statistics 1-1 (part 2)

Births are not evenly distributed across the days of the week. Here are the average numbers of babies born on each day of the week in the United States in a recent year. Would it be correct to make a pie chart? Explain your answer.

Births are not evenly distributed across the days of the week. Here are the average numbers of babies born on each day of the week in the United States in a recent year. Suggest some possible reasons why there are fewer births on weekends.

Given is a pie chart prepared by the Census Bureau to show the origin of the more than 43 million Hispanics in the United States in 2006. About what percent of Hispanics are Mexican?

• 55%

• 65%

• 75%

• 85%

Given is a pie chart prepared by the Census Bureau to show the origin of the more than 43 million Hispanics in the United States in 2006. About what percent of Hispanics are Puerto Rican?

• 9%

• 19%

• 29%

• 39%

Young people are more likely than older folk to buy music online. Here are the percents of people in several age groups who bought music online in 2006. Explain why it is not correct to use a pie chart to display these data.

Students in a high school statistics class were given data about the primary method of transportation to school for a group of 30 students. They produced the pictograph shown. How is this graph misleading?

Recycling is supposed to save resources. Some people think recycled products are lower in quality than other products, a fact that makes recycling less practical. People who actually use a recycled product may have different opinions from those who don’t use it. Here are data on attitudes toward coffee filters made of recycled paper among people who do and don’t buy these filters. How many people does the table describe?

(a)  

Recycling is supposed to save resources. Some people think recycled products are lower in quality than other products, a fact that makes recycling less practical. People who actually use a recycled product may have different opinions from those who don’t use it. Here are data on attitudes toward coffee filters made of recycled paper among people who do and don’t buy these filters. How many of these were buyers of coffee filters made of recycled paper?

(a)  

Recycling is supposed to save resources. Some people think recycled products are lower in quality than other products, a fact that makes recycling less practical. People who actually use a recycled product may have different opinions from those who don’t use it. Here are data on attitudes toward coffee filters made of recycled paper among people who do and don’t buy these filters. Find the marginal distribution of opinion about the quality of recycled filters.

• 58.33% said "higher"; 31.68% said "the same"; and 64.20% said "lower"

• 39.10% said "higher"; 24.06% said "the same"; and 36.84% said "lower"

• 49% said "higher"; 32% said "the same"; and 52% said "lower"

• 36.84% said "higher"; 24.06% said "the same"; and 39.10% said "lower"

Recycling is supposed to save resources. Some people think recycled products are lower in quality than other products, a fact that makes recycling less practical. People who actually use a recycled product may have different opinions from those who don’t use it. Here are data on attitudes toward coffee filters made of recycled paper among people who do and don’t buy these filters. What percent of consumers think the quality of the recycled product is the same or higher than the quality of other filters?

• 24.06%

• 60.9%

• 36.84%

• 84%