PreparED Study Materials
STAT 1053: Intro-Statistics in Social Science
School: UTK
Number of Notes and Study Guides Available: 0
Videos
Assumptions in Statistics: A High School Age Distribution Error
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Analyze the statistical assumptions made about high school students' ages, emphasizing the importance of understanding distributions before applying the Standard Normal Table.
Calculating Mean & Modal Class for Million-Dollar Bonuses
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how to determine the mean and modal class for bonuses in millions. Understand midpoint calculations and how frequencies impact results. Gain insights into bonus distributions in the financial realm.
Analyzing Ford F-750 Mileage Using Z-Scores & Probabilities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore how z-scores help analyze the mileage of Ford Super Duty F-750 trucks. Discover the percentages that reached specific mileage markers and grasp the significance of data using the z-table.
Testing the 123-Gallon Daily Water Claim: Fact or Fiction?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the claim that average daily water consumption is 123 gallons. Using statistical testing, we evaluate a new sample against the Old Farmer’s Almanac claim. Learn how to interpret p-values and t-scores in hypothesis testing.
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:
full solution
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.
Analyzing Teen Texting: Confidence Interval & Plausibility
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover how to calculate the 95% confidence interval for a population proportion using sample data. Through a practical example about texting habits among American teens, learn the implications of this statistical tool and how to assess plausibility.














