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Data Visualization for Decision Making

Description: This quiz will test your knowledge of data visualization for decision making.
Number of Questions: 15
Created by:
Tags: data visualization decision making data analytics
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What is the primary purpose of data visualization?

  1. To make data easier to understand

  2. To make data more visually appealing

  3. To make data more accurate

  4. To make data more secure

Show answer
Correct Option: A
Explanation:

Data visualization is the process of representing data in a graphical or pictorial format to make it easier for people to understand.

Which of the following is NOT a common type of data visualization?

  1. Bar chart

  2. Pie chart

  3. Scatter plot

  4. Heat map

Show answer
Correct Option: D
Explanation:

Heat maps are not as common as bar charts, pie charts, and scatter plots.

What is the difference between a bar chart and a histogram?

  1. Bar charts are used to represent categorical data, while histograms are used to represent quantitative data.

  2. Bar charts are used to represent data over time, while histograms are used to represent data across different categories.

  3. Bar charts are used to compare different values, while histograms are used to show the distribution of data.

  4. Bar charts are used to represent data in a single series, while histograms are used to represent data in multiple series.

Show answer
Correct Option: A
Explanation:

Bar charts are used to represent categorical data, such as the number of people in different age groups or the number of sales in different regions. Histograms are used to represent quantitative data, such as the distribution of heights or the distribution of test scores.

What is the purpose of a pie chart?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: A
Explanation:

Pie charts are used to show the distribution of data, such as the percentage of people in different age groups or the percentage of sales in different regions.

What is the purpose of a scatter plot?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: C
Explanation:

Scatter plots are used to show the relationship between two variables, such as the relationship between height and weight or the relationship between income and education.

What is the purpose of a heat map?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: C
Explanation:

Heat maps are used to show the relationship between two variables, such as the relationship between temperature and location or the relationship between sales and region.

What is the difference between a line chart and a bar chart?

  1. Line charts are used to represent categorical data, while bar charts are used to represent quantitative data.

  2. Line charts are used to represent data over time, while bar charts are used to represent data across different categories.

  3. Line charts are used to compare different values, while bar charts are used to show the distribution of data.

  4. Line charts are used to represent data in a single series, while bar charts are used to represent data in multiple series.

Show answer
Correct Option: B
Explanation:

Line charts are used to represent data over time, such as the trend of sales over time or the trend of stock prices over time. Bar charts are used to represent data across different categories, such as the number of people in different age groups or the number of sales in different regions.

What is the purpose of a box plot?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: A
Explanation:

Box plots are used to show the distribution of data, such as the distribution of heights or the distribution of test scores.

What is the purpose of a treemap?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: A
Explanation:

Treemaps are used to show the distribution of data, such as the distribution of sales across different regions or the distribution of website traffic across different pages.

What is the purpose of a bubble chart?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: C
Explanation:

Bubble charts are used to show the relationship between two variables, such as the relationship between sales and region or the relationship between income and education.

What is the purpose of a scatter plot matrix?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: C
Explanation:

Scatter plot matrices are used to show the relationship between multiple variables, such as the relationship between height, weight, and age.

What is the purpose of a parallel coordinates plot?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: C
Explanation:

Parallel coordinates plots are used to show the relationship between multiple variables, such as the relationship between height, weight, and age.

What is the purpose of a radar chart?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: B
Explanation:

Radar charts are used to compare different values, such as the performance of different companies or the sales of different products.

What is the purpose of a funnel chart?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: D
Explanation:

Funnel charts are used to show the trend of data over time, such as the trend of sales over time or the trend of website traffic over time.

What is the purpose of a word cloud?

  1. To show the distribution of data

  2. To compare different values

  3. To show the relationship between two variables

  4. To show the trend of data over time

Show answer
Correct Option: A
Explanation:

Word clouds are used to show the distribution of words in a text, such as the distribution of words in a book or the distribution of words in a website.

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