PreparED Study Materials
STAT 709: STAT 709
School: University of Wisconsin - Madison
Number of Notes and Study Guides Available: 12
Notes
Videos
Analyzing Engineers' Graduate Plans: Fortune vs Engineering Horizons D
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video contrasts Fortune's claim about engineers pursuing further studies with data from Engineering Horizons. Utilizing hypothesis testing and confidence intervals, we assess the validity of Fortune's assertion within a statistical framework.
Job Trends Analysis: Normal Approximation & Z-Values
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the nuances of determining the likelihood of specific employment patterns using statistical methods. Understand the application of the normal approximation to the binomial distribution and the role of z-values in probability determinations. Gain clarity on interpreting employment trends with the help of a standard normal table.
Analyzing Salad Habits: A Statistical Look at 85.5%
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Examine a survey of 200 adults regarding salad consumption, leading to a sample proportion of 85.5%. Using hypothesis testing and z-test calculations, the video determines whether more than 85% of American adults eat salad weekly. The results offer statistical insights into dietary habits.
Reaction Times in Anderson's Study: Analyzing Central Tendencies
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore Anderson's 1999 study on how attention load impacts reaction times. Through hands-on analysis, understand the computation of mean, median, and mode from the provided data. Highlighting the significance of the median in capturing the central tendency amidst potential outliers.
Real Cowboys' Lifespan: Debunking Wild West Myths
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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 With data visualization and historical references, challenge popular stereotypes and understand the reality of cowboy lives in the late 19th century.
Crunching Car Sales Data: Size, Color, and Probability Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the likelihood of different car combinations by size and color from a dealer's sales data. Learn how to calculate probabilities, from the chances of a small car being black to the odds a non-small car isn't gray. An insightful look into understanding car preferences.






