Percent Bar Graphs: Representing Relative Frequency

What is the purpose of using percent bar graphs?

• To calculate the mean of data.

• To visualize how data are distributed.

• To find the median of data.

• To determine the range of data.

If 6 out of 20 students like drums, what is the percentage?

• 30%

• 20%

• 35%

• 25%

In a percent bar graph, what does the y-axis represent?

• The types of instruments.

• The total number of students.

• The relative frequency in percent.

• The number of categories.

What is the mode in a percent bar graph?

• The category with the least frequency.

• The category with the highest frequency.

• The category with the median frequency.

• The category with the average frequency.

How do you represent multiple categories in a single bar in a percent bar graph?

• By using different shapes.

• By using different colors or patterns.

• By using different sizes.

• By using different fonts.

If Texas A&M has a relative frequency of 30%, where should its section start if the previous section ended at 20%?

• At 50%

• At 30%

• At 20%

• At 0%

In a horizontal percent bar graph, what does the numerical axis represent?

• The categories.

• The percentage.

• The frequency.

• The total number of items.

What percentage of India's labor force was in agriculture in 2009?

• 50%

• 65%

• 55%

• 60%

If 40 out of 200 votes were for pizza, what is the percentage?

• 40%

• 10%

• 20%

• 30%

In a percent bar graph with multiple categories, what does a longer bar indicate?

• Fewer categories.

• More categories.

• A lower percentage.

• A higher percentage.