PreparED Study Materials
STAT 2231: Introduction to Statistics I
School: Georgia Southern University
Number of Notes and Study Guides Available: 6
Notes
Videos
Margin of Error: Decoding the Uncertainty in Estimates
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the concept of the "margin of error" within the context of estimating children's exposure to lead-based paint. Through clear explanations, comprehend the importance of acknowledging uncertainty in statistical findings and how it represents a range for potential true values.
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:
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.
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:
Traffic Light Wait Time: Using Probability to Decode Delays
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the mathematical intricacies behind calculating the waiting time for a motorist at traffic lights. Learn about normal random variables, conditional probabilities, and the challenges in determining specific waiting durations.
2010 US Gas Prices: Insights with Chebyshev’s Inequality
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the average US gasoline prices in December 2010 using Chebyshev’s Inequality. Discover the minimum percentage of gas stations within specific price deviations. Learn how prices ranged based on standard deviations from the mean.
Comparing Plastic Gear Strengths: Supplier 1 vs. Supplier 2 Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video presents a comparison between two suppliers of plastic gears in terms of their mean impact strength. Using statistical tools like the two-sample t-test and confidence intervals, we evaluate which supplier offers stronger gears.
