Data Literacy and Practical Busin...
Data Literacy and Practical Business Analytics with Excel | Dave Langer & Paul Siegel | Meet The Gurus
Meet the Gurus by Paul Siegel
S1 · E21
Jul 17, 2026
31:37
Episode notes

In this 'Meet the Gurus' discussion, you get to hear from Dave Langer about how data literacy makes everything better...

  • Why a small set of simple techniques delivers most of the value in business analytics
  • The two questions that matter most: is it working, and why is it working
  • Turning qualitative reads of a line chart into quantitative judgments
  • Measuring KPIs and metrics over time as the pattern behind nearly every business question
  • Vetting data sources, from IT-blessed systems to unofficial "spread marts"
  • The four tool buckets: Excel, data visualization, SQL, and R or Python
  • Why business domain knowledge is the piece no tool or algorithm replaces
  • How Excel bec ... 
Keywords
data literacy
business analytics in Excel
KPI analysis over time
data quality and data lineage
Power BI vs Tableau vs Excel
analytics for non-technical professionals
Where this episode is made