PreparED Study Materials
Notes
Videos
Arranging Talent: Math Behind Performance Sequences
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the fascinating world of permutations to determine the number of possible arrangements for a talent show. Learn how constraints change the number of valid sequences and delve into combinatorial techniques.
Young Adults' TV Habits: Decoding Mean and Probability
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to determine the probability and mean of young adults watching TV in a week. Using provided data, we compare the sample mean with the calculated population mean to interpret expected TV viewing habits.
Analyzing U.S. Teacher Salaries: Where Do You Stand?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the salary distribution of U.S. teachers using statistical analysis. Understand the probabilities of different salary brackets and evaluate a potential job offer in the context of nationwide data.
Confidence Intervals for Bag Weights: A Statistical Guide
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understand the process of determining the 94.26% confidence interval for the median weight of "80-pound" bags of water softener pellets using a standard normal table and specified formulas. Additionally, explore the steps to deduce a confidence level of 90.47%.
Real Cowboys' Lifespan: Debunking Wild West Myths
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the actual longevity of legendary cowboys using a detailed sociological study. With data visualization and historical references, challenge popular stereotypes and understand the reality of cowboy lives in the late 19th century.