What does structured data mean?

1. Randomly organised data
2. Data not arranged in any specific format
3. Data organised in rows and columns
4. Data painted on a canvas

In a data visualisation, …………… can be the best suited for showing the distribution of a single numerical variable?

1. Bar chart
2. Histogram
3. Scatter plot
4. Pie chart

Fill in the blanks:

1. The first step in the AI project cycle is project ……………, where the problem is identified and defined.
2. Data …………… involves creating and training machine learning models as part of the AI Project Cycle.
3. …………… is the process of gathering information that an AI system needs to function.
4. …………… data is well-organised, typically found in databases or spreadsheets.
5. …………… data represents descriptive information, usually collected through interviews, surveys or observations.
6. …………… graph is a technique to visualise data that uses either horizontal or vertical bars.
7. In a data visualisation, …………… chart is the most suitable for showing the change in values over time.
8. …………… plot is a two-dimensional data visualisation that uses dots to represent the values for two different variables represented by points.
9. …………… map portrays the geographic pattern of a particular subject matter in a geographic area.
10. In a …………… graph, a node represents an individual element or entity, such as a person, computer or organisation, connected by the edges.

Name the type of data visualisation technique used:

1. to depict numeric data with one variable
2. to depict numeric data with two variables
3. to depict the chronological order of events
4. to use colours for plotting values