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Data Visualization

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

What type of decision involves the overall direction of an organization?

a)

Operational

b)

Tactical

c)

Strategic

d)

Random

2.

Which analytics technique describes what has happened in the past?

a)

Statistical Analytics

b)

Prescriptive Analytics

c)

Descriptive Analytics

d)

Predictive Analytics

3.

What is the main purpose of business analytics?

a)

To transform data into insight

b)

To collect data

c)

To store data

d)

To ignore data

4.

Which of the following is an example of predictive analytics?

a)

Data mining

b)

Creating reports

c)

Forecasting future sales

d)

Data visualization

5.

What does the term 'big data' refer to?

a)

Data that is too large or complex

b)

Small data sets

c)

Data that is easy to manage

d)

Data that is irrelevant

6.

Which of the following is NOT a category of analytics?

a)

Random

b)

Prescriptive

c)

Predictive

d)

Descriptive

7.

What is the role of a data scientist?

a)

To ignore data

b)

To analyze and process data

c)

To create random data

d)

To sell data

8.

What is an example of prescriptive analytics?

a)

Creating a report

b)

Predicting future trends

c)

Determining the best course of action

d)

Visualizing data

9.

Which company uses HR analytics to improve employee management?

a)

Google

b)

Amazon

c)

Disney

d)

Coca-Cola

10.

What is the purpose of a data dashboard?

a)

To confuse users

b)

To ignore statistics

c)

To monitor company performance

d)

To delete data

11.

Which of the following is a challenge of big data?

a)

Easy to analyze

b)

No variety

c)

Data security

d)

Low volume

12.

What does simulation in analytics help with?

a)

Studying the impact of uncertainty

b)

Creating random data

c)

Ignoring data

d)

Storing data

13.

Which analytics technique helps in understanding customer preferences?

a)

Descriptive Analytics

b)

All of the above

c)

Predictive Analytics

d)

Prescriptive Analytics

14.

What is the main focus of marketing analytics?

a)

None of the above

b)

Understanding consumer behavior

c)

Ignoring sales

d)

Creating random ads

15.

What is a key benefit of using analytics in decision making?

a)

Less data

b)

Better-informed decisions

c)

Ignoring facts

d)

More confusion

16.
Which of the following is NOT considered a preattentive attribute in data visualization?
a)
Color
b)
Size
c)
Shape
d)
Texture
17.
What does the data-ink ratio measure in data visualization?
a)
The proportion of ink used to convey meaning vs. total ink used
b)
The amount of data points in a visualization
c)
The complexity of the visualization
d)
The time taken to create the visualization
18.
When is it generally more appropriate to use a table instead of a chart?
a)
When specific numerical values are needed
b)
When showing trends over time
c)
When comparing multiple variables across categories
d)
When visualizing hierarchical data
19.
What type of data is best suited for analysis using PivotTables?
a)
Categorical and numerical data with multiple variables
b)
Time series data only
c)
Continuous data with no categories
d)
Binary data with only two possible values
20.
Which chart type is most effective for showing the relationship between two quantitative variables?
a)
Scatter chart
b)
Pie chart
c)
Bar chart
d)
Line chart
21.
What type of data is best represented using a line chart?
a)
Time series data
b)
Categorical data
c)
Hierarchical data
d)
Geospatial data
22.
When would you choose a bar chart over a column chart?
a)
When category labels are long
b)
When there are many categories to compare
c)
When showing trends over time
d)
When emphasizing individual values
23.
What is a potential drawback of using a stacked chart?
a)
Difficulty in comparing values across categories
b)
Limited color options
c)
Inability to show trends over time
d)
Too much white space
24.
Why are 3D charts generally not recommended in data visualization?
a)
They can distort data and reduce clarity
b)
They are too complex to create
c)
They require specialized software
d)
They use too much ink
25.
What type of data would be well-suited for a bubble chart?
a)
Data with three variables to compare
b)
Time series data
c)
Hierarchical data
d)
Binary data
26.
How might a scatter chart matrix be useful in exploratory data analysis?
a)
It can reveal complex relationships among multiple variables
b)
It simplifies data into a single visual
c)
It's best for time series analysis
d)
It's ideal for comparing only two variables
27.
What is a key feature of a table lens visualization?
a)
It combines table and chart elements
b)
It only works with numerical data
c)
It's limited to small datasets
d)
It requires 3D rendering
28.
What type of data is well-suited for heat map visualization?
a)
Large datasets with patterns to be identified
b)
Small datasets with few variables
c)
Time series data only
d)
Hierarchical data structures
29.
How does a treemap differ from a traditional hierarchical chart?
a)
It uses nested rectangles to show structure and quantity
b)
It only shows top-level categories
c)
It's limited to two levels of hierarchy
d)
It requires a 3D display
30.
What type of business scenario would benefit from using a waterfall chart?
a)
Analyzing the cumulative effect of financial changes
b)
Comparing product sales across regions
c)
Visualizing customer demographics
d)
Tracking website traffic over time
31.
What is a potential drawback of using a choropleth map?
a)
It can misrepresent data due to varying region sizes
b)
It's limited to showing only one variable
c)
It requires specialized GIS software
d)
It can't show changes over time
32.
What is a key consideration when designing a data dashboard?
a)
Balancing information density with clarity
b)
Using as many different chart types as possible
c)
Maximizing the use of 3D visualizations
d)
Focusing on a single KPI
33.
Which of the following is NOT a best practice in data visualization?
a)
Using color indiscriminately to make the visualization more attractive
b)
Maintaining consistent scales and axes
c)
Removing unnecessary elements
d)
Providing clear labeling
34.
What is the primary advantage of using a scatter chart over a line chart?
a)
It can show the relationship between two variables without implying continuity
b)
It's better for time series data
c)
It can display more data points
d)
It's easier to read exact values
35.
When might a cartogram be preferred over a standard map visualization?
a)
When you want to emphasize data values over geographic accuracy
b)
When precise geographic boundaries are crucial
c)
When dealing with time-series data
d)
When visualizing network connections

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