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Data-Driven Decisions
Use data to make better choices through A/B testing, metrics, and statistical thinking
6 concepts
55 min
1
Metrics That Matter: Vanity vs Actionable
Learn to distinguish between metrics that look good and metrics that actually drive decisions
9 min
2
A/B Testing: Statistical Significance
Understand when test results are real patterns versus random noise
11 min
3
Correlation vs Causation: Common Mistakes
Learn why ice cream sales and drowning deaths correlate, but ice cream doesn't cause drowning
8 min
4
Sample Bias: Why Polls Get It Wrong
Understand how sampling errors led to wrong election predictions and business decisions
10 min
5
Statistical Significance: When to Trust Results
Learn the basics of p-values and confidence intervals to make better data-driven decisions
10 min
6
Data Visualization: Seeing Patterns
Discover how the right chart reveals insights instantly while the wrong one obscures truth
10 min