Noble Predictive InsightsOct 13, 20202 minKeeping Your Polls Strategized – Pre-Stratification and Post-StratificationPolling is a simple way to collect data. If simplicity “is the key to brilliance” (thank you, Bruce Lee), then pursuing strategies to...
Noble Predictive InsightsSep 30, 20202 minT-Tests: When and How to Use ThemSo, you want to find out if a survey you just conducted has results that matter? This may be a job for a t-test. Let’s say that you are a...