Attitudes toward recycled products 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:

(a)How many people does this table describe? How many of these were buyers of coffee filters made of recycled paper?

(b)Give the marginal distribution of opinion about the quality of recycled filters. What percent of consumers think the quality of the recycled product is the same or higher than the quality of other filters?

The table is

The distribution of a category variable is displayed using pie charts and bar graphs. Any set of quantities measured in the same units can be compared using bar graphs. It's a good idea to ask yourself, "What do I see?" when looking at any graph.

The number of buyers and non-buyers are

$20+7+9+29+25+43=133$

The number of buyers is

$20+7+9=36$

As a result, the table lists $133$ people, $36$ of whom purchased coffee filters manufactured from recycled paper.

Marginal Distribution Percentage: $\frac{RowTotal}{TableTotal}\times 100$

The table below shows the marginal distribution of opinions on the quality of recycled filters: Marginal Distribution Percentage: $\frac{RowTotal}{TableTotal}\times 100$

Table Total=$133$

Over $60.90$percent ($36.8$percent $+$$24.1$percent) of those polled believe the recycled product's quality is on par with or better than that of other filters.

As a result, $60.90$percent of people believe the recycled product's quality is equal to or better than that of other filters.