Análise de Dados e Gráficos

What is the main characteristic of a bar chart?

• Shows the variation of a variable over time.

• Compares quantities between different categories.

• Represents proportions of a whole.

• Shows the relationship between two continuous variables.

In a line graph, what is usually represented on the horizontal axis (x)?

• Distinct categories

• Percentage values

• Time intervals or sequence

• Names of people

What type of chart is most suitable for showing the evolution of temperature over a week?

• Bar chart

• Pie chart

• Line chart

• Scatter plot

If you want to compare the number of students in different classes, which chart is most suitable?

• Line chart

• Bar chart

• Pie chart

• Area chart

In the bar chart, the bars can be drawn:

• Only horizontally

• Only vertically

• Both horizontally and vertically

• Only in a circular format

What does the height of each bar in a vertical bar chart represent?

• The elapsed time

• The quantity or value of the category

• The percentage of the total

• The name of the category

In a line graph, what does each point represent?

• An isolated category

• A value at a specific time or position

• The sum of all values

• The average of the values

Which of the options below is NOT an advantage of a line graph?

• Allows visualization of trends over time

• Makes it easy to compare between different categories

• Shows continuous variations

• Can display more than one data series

If a bar chart shows ice cream sales in different flavors, what does each bar represent?

• A flavor of ice cream

• The time of sale

• The price of the ice cream

• The temperature of the day

In a line graph, what is the name of the line that connects the points?

• Trend line

• Baseline

• Category line

• Bar line