Categorical Data with Percent Bar Graphs

Bar graphs are used to best represent what type of data?

• Change over Time

• Quantitative Data

• Categorical Data

Choose the information that best describes this bar chart.

• Far more females than males are interested in vanilla flavor.

• Slightly more females than males are interested in vanilla flavor.

• Far more males than females are interested in vanilla flavor.

• Slightly more males than females are interested in vanilla flavor.

The number of people aged 25-35 who are concerned about arts and crafts .................. that of those aged 55-65.

• doubles

• triples

• four times

• five times

How many students take the bus to school?

• 35

• 20

• 10

• 15

The following bar graph shows the distribution of favorite subject for a sample of 1000 students. What is the most serious problem with the graph?

• This distribution should be displayed with a pie chart

• The vertical axis should show the percent of students.

• The vertical axis should start at 0 rather than 100

• The subjects are not listed in the correct order.

What is the relative frequency of High School?

• 2%

• 50%

• 5%

• 20%

Given the unemployment data displayed, what is NOT an appropriate conjecture about the unemployment rates.

• Women are generally unemployed at a higher rate than men.

• Unemployment are generally similar across gender.

• There are more than twice as many unemployed women in Sweden than in Norway.

• Job opportunities in Finland and Sweden may be more similar than in the other countries.

On Saturday, Bernardo gave his guinea pig 80 grams of food. The table shows the amount of each type of food he gave to the guinea pig.

Which segmented bar graph best represents the data?

• 
• 
• 
• 

Given the drink sales contingency table shown, what percentage of coffees sold occurred in Spring '07?

• 15.8%

• 32.3%

• 42.8%

• 43.9%

The following bar graph gives the percent of owners of three brands of trucks who are satisfied with their truck. From this graph, we may conclude that:

• Owners of other brands of trucks are less satisfied than the owners of these three brands.

• Chevrolet owners are much more satisfied than Ford or Toyota owners.

• There are only small differences in the satisfaction of owners for the three brands.

• Chevrolet probably sells many more trucks than Ford or Toyota.

• A pie chart would have been a better choice for displaying these data.