Question 1

What type of chart is best used to show the distribution of a dataset?

Accepted Answer

Histogram

Answer

Pie chart

Answer

Line chart

Answer

Bar chart

Question 2

Which visualization is most effective for comparing data across categories?

Accepted Answer

Bar chart

Answer

Histogram

Answer

Heat map

Answer

Scatter plot

Question 3

What should be considered when choosing colors for a data visualization?

Accepted Answer

Colorblind accessibility

Answer

Data source

Answer

Number of data points

Answer

Layout design

Question 4

What is the purpose of a legend in a data visualization?

Accepted Answer

To explain the meaning of different colors or symbols

Answer

To provide a summary of the data

Answer

To display the title of the chart

Answer

To show the data source

Question 5

Which type of chart is best for showing trends over time?

Accepted Answer

Line chart

Answer

Pie chart

Answer

Bar chart

Answer

Scatter plot

Question 6

What is the main advantage of using a scatter plot?

Accepted Answer

It shows the relationship between two quantitative variables

Answer

It displays categorical data

Answer

It represents parts of a whole

Answer

It highlights a single variable's distribution

Question 7

What does a stacked bar chart represent?

Accepted Answer

The total amount divided into sub-categories

Answer

The average of a dataset

Answer

The frequency of individual categories

Answer

The proportion of data over time

Question 8

What is the primary purpose of using a pie chart?

Accepted Answer

To show the proportions of a whole

Answer

To track changes over time

Answer

To compare values across categories

Answer

To display frequency distribution

Question 9

Which of the following is a key principle of effective data visualization?

Accepted Answer

Clarity over complexity

Answer

Complex designs are visually appealing

Answer

More data is always better

Answer

Colorfulness attracts attention

Question 10

What is the main purpose of using annotations in a data visualization?

Accepted Answer

To provide additional context or explanations

Answer

To simplify the dataset

Answer

To change the color scheme

Answer

To increase the size of the chart

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