Data Visualization & Descriptive Data Mining

Multiple Choice

What is the main focus of this section?

• Data Analysis

• Data Visualization

• Data Collection

• Data Interpretation

Multiple Choice

What is the simplest understanding of data visualization?

• Mapping from graphic space to data space

• Mapping from data space to graphic space

• Transforming data into raw form

• Rendering data into a user-visible view

Multiple Choice

Why is it important to present the information in a picture form?

• To be attractive in the eye of the audience.

• To analyze and interpret figure or large number at a glance.

• To show how artistic the presentor is.

• To easily discuss the information.

Multiple Choice

What is the outlier for this line plot?

• 0

• 1

• 4

• 10

Multiple Choice

What are the key principles of good visualization as mentioned in the image?

• Keep it simple for simple stories

• Make complex stories look complex

• Distort the data for clarity

• Use colorful graphics only

Multiple Choice

What do the colors in the pseudo-pie chart represent?

• Fossil Fuels

• Renewable Energy

• Carbon Capture and Storage

• Traditional Renewables

Multiple Choice

What does the chart exemplify about the sales comparison between Burger King and Starbucks?

• It accurately represents sales data

• It is misleading due to area representation

• It shows Burger King's sales are lower

• It compares sales with GDP

Multiple Choice

What does the chart represent regarding MLS salaries?

• Total salaries of players

• Average salaries per team

• Salaries of top 20 players

• Salaries by position

Multiple Choice

Adrianna is organizing a birthday party and wants to show how all the parts of the party budget are related to the whole.

• Line graph

• Pie chart

• Bar graph

• histogram

Multiple Choice

The visual representation of data that is used to show how all the parts of

something are related to the whole.

• Line graph

• Pie chart

• Bar graph

• histogram

Multiple Choice

What is the main issue highlighted in the chart regarding job loss?

• The points follow a straight line

• The Y-axis is missing

• The data is accurate

• The time intervals are equal

Multiple Choice

What is a major criticism of multicolor 3-D cylinder bar charts according to the image?

• They are visually appealing

• They are easy to read

• They are a bad way to articulate simple data

• They are commonly used in presentations

Multiple Choice

When should tables be used?

• When referring to specific numerical values

• When making vague comparisons

• When differentiating colors

• When summarizing text

Multiple Choice

What are the three types of border styles shown in the table?

• Heavy borders

• Light borders

• Minimal borders

• All of the above

Multiple Choice

What does the color saturation in a heatmap help us to do?

• Identify potential points of interest

• Understand the exact values

• Compare categories directly

• Ignore irrelevant data

Multiple Choice

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members
• There are more boys in the class than girls
• There are more boys in band than not in band
• More than half of the bands members in the class are girls

Multiple Choice

What does a bar chart show on the horizontal and vertical axes?

• Qualitative classes and class frequencies

• Quantitative data and averages

• Trends over time

• Comparative statistics

Multiple Choice

What is the purpose of a Pareto chart?

• To portray categorical data

• To show time series data

• To display geographical data

• To represent numerical data

Multiple Choice

What does a histogram represent in terms of data distribution?

• The average of the data

• The shape of the distribution

• The median of the data

• The mode of the data

Multiple Choice

What is a time series data set composed of?

• Qualitative entries

• Quantitative entries

• Random entries

• Irregular intervals

Multiple Choice

What trend can be observed in the scatter plot on the right compared to the left?

• Higher costs for lower miles driven

• Lower costs for higher miles driven

• Similar costs across all miles driven

• No clear trend

Multiple Choice

What does the size of the bubbles in the bubble chart represent?

• Population

• Area

• GDP

• Number of countries

Multiple Choice

What is the main limitation of using area graphs for representing quantitative data?

• They are too colorful

• They are hard to read

• They take up too much space

• They are always inaccurate

Multiple Choice

Study the bar graph. Which city has shown the slowest population growth since 1950?

• City A

• City B

• City C

• City D

Multiple Choice

100 second graders were asked to do a book report about one of these four zoo animals.  The number of students who chose each animal is shown in the table.  If 250 second graders had to choose of of the four animals, predict how many would choose to write about a giraffe.

• 60 students
• 50 students
• 40 students
• 30 students

Multiple Choice

What is data mining primarily focused on?

• Understanding characteristics and patterns

• Creating databases

• Developing software

• Analyzing social media

Multiple Choice

What are the three main areas of focus in Descriptive Data Mining?

• Cluster Analysis

• Association

• Text Mining

• Predictive Analysis