Finding the Data for Calculation

The video tutorial discusses the challenges of data collection, emphasizing that it often takes longer than expected. It explains the difference between primary and secondary data, providing examples of each. The tutorial also covers strategies for obtaining secondary data, such as using financial data, industry averages, or proxy data when primary data is unavailable.

What challenges are associated with obtaining the last 20% of data?

What is secondary data and how does it differ from primary data?