Business intelligence-Quiz 1

Which of the following unstructured data can come from?

• Facebook

• Text message

• Video

• All of them

Which of the following structured data can come from?

• Invoicing system

• Audio files

• Email

• Post on social media

We have a regression equation where Y = aX + b, what is Y?

• Independent variable

• Dependent variable

• Both are correct

To compare the sales performance of five different, unrelated products in a single month, which chart type would be the most suitable?

• Pie Chart

• Area Chart

• Line Chart

• Bar Chart

"A line chart, also known as a line graph or curve chart, is a visualization that connects a series of data points with straight line segments to show trends and changes in data"
This statement is Right or Wrong?

• Right

• Wrong

What is the function of filters and slicers in Power BI?

• To clean data before loading

• To restrict or refine data shown in visuals

• o export data to Excel

• To create relationships between tables

What does a relationship in Power BI represent?

• A chart connection between visuals

• A link between tables using keys

• A filter applied to visuals

• A calculated measure

In Power BI, what is the role of Power Query Editor?

• To build dashboards

• To load data models

• To clean, transform, and prepare data

• To write DAX measures

Which of the following is the main purpose of Power BI?

• Database management

• Business intelligence and data visualization

• Programming automation

• Web development

If a dataset has the values: 2, 2, 3, 4, 10 – which measure best represents the typical value?
Select correct answers (you can choose multiple answers)

• Mean = 4.2

• Median = 3

• Mode = 2

• All wrongs