Business Intelligence with Microsoft Power BI - with Material - Grouping in Power BI

The video tutorial explains how to group data in Power BI, focusing on grouping population data by country and calculating aggregations like sum and average. It covers data preparation, basic grouping, advanced grouping with multiple aggregations, and multi-level grouping. The tutorial demonstrates using the 'group by' feature in Power BI, similar to Excel, and provides step-by-step instructions for handling errors and renaming columns.

What is the primary goal when grouping population data by country in Power BI?

• To list all cities in each country

• To find the total and average population of top ten cities in each country

• To calculate the median population of all cities

• To sort cities by population size

Which feature in Power BI is used to group data based on a specific column?

• Pivot

• Sort

• Group By

• Filter

What should be done before grouping data if there are null values in the country column?

• Fill down the null values

• Replace null values with zeros

• Ignore the null values

• Delete the rows with null values

How can you add multiple aggregations in Power BI's Group By feature?

• By using the 'Filter' option

• By creating a new table for each aggregation

• By selecting the 'Add Aggregation' option in advanced settings

• By using the basic Group By option

What additional grouping can be done besides grouping by country?

• Grouping by population size

• Grouping by city within the country

• Grouping by score range

• Grouping by continent