PreparED Study Materials
STAT 430: Empirical Methods for the Computational Sciences
School: Iowa State University
Number of Notes and Study Guides Available: 1
Notes
Videos
Let Y be a random variable with mean 11 and variance 9
Want To Learn More? To watch the entire video and ALL of the videos in the series:
011 Car Colors in North America: Trends & Visual Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the trends in car colors for North America in 2011. Break down the percentage distribution of various shades, from dominating whites to the less frequent greens. Understand the best visual techniques to represent this data, weighing the pros and cons of graphs.
Pet Phone Calls: Validating a 37% Claim with Z-test
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore a claim from the American Animal Hospital Association that 37% of pet owners communicate with their pets over the phone. Through hypothesis testing and a z-test, evaluate a skeptical veterinarian's doubts. Conclusions shed light on pet owners' unique communication habits.
ACT Score Bet: Who Owes the Pizza? A 7.6% Chance Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the friendly bet between Leona and Fred surrounding their ACT scores and who owes who a pizza. Using statistical principles like Z-scores and the normal distribution, we'll decipher the odds of one outperforming the other by 5 points.
42.1 Web Visits: How It Stacks Up to U.S. Average
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore how hypothesis testing is used to compare a sample mean of Internet visits to the national average. Through calculations and statistical analysis, we determine if a sample of users' web usage significantly deviates from the average U.S. web usage.