FTC Data Week 12

What is the main purpose of applying appropriate communication methods when presenting data?

• To make reports look visually appealing

• To ensure data is shared in a format suitable for the audience

• To increase the amount of data displayed in a report

• To replace numerical data with visual elements

Which of the following is NOT a recommended way to summarise data for a specific audience?

• Using narrative explanations

• Creating interactive dashboards

• Overloading reports with unnecessary details

• Selecting visuals appropriate to the audience's needs

Which Power BI view allows you to interact with and modify data before visualising it?

• Model View

• Report View

• Data View

• Dashboard View

When should a pie chart be used?

• When comparing multiple trends over time

• When illustrating part-to-whole relationships

• When highlighting relationships between two numeric variables

• When visualising a dataset with negative values

Which type of chart is most suitable for tracking trends over time?

• Line Chart

• Clustered Bar Chart

• Pie Chart

• Scatter Plot

What is the function of a slicer in Power BI?

• It changes the colours of visualisations

• It helps filter data dynamically for interactive reports

• It converts numerical data into categorical data

• It merges multiple datasets together

How can users quickly change a visualisation type in Power BI?

• By manually entering new data

• By selecting the visual and choosing a different style

• By duplicating the dataset and selecting a new chart

• By creating a new report from scratch

What is the purpose of formatting visuals in Power BI?

• To improve readability and interpretation of data

• To increase the complexity of the report

• To randomly change the appearance of charts

• To remove essential data points

Which of the following best describes the use of a scatter plot?

• Comparing two numerical variables to identify trends or relationships

• Displaying cumulative sales per product category

• Summarising categorical data in a compact visual format

• Showing the total number of sales over time

What is the best way to use colours in a visualisation?

• Use as many colours as possible to differentiate categories

• Use one main colour with accents for emphasis

• Make all bars the same colour to reduce distractions

• Choose random colours for each category