PreparED Study Materials

STAT 420: Methods of Applied Statistics

School: University of Illinois at Urbana - Champaign

Number of Notes and Study Guides Available: 1

Notes

Videos

Evaluating Expressions Using a Set of Scores
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Discover the methodology behind evaluating various mathematical expressions using a given set of scores. By interpreting and applying summation notation, learn how to compute the desired results from a set of numbers. Key conclusions showcase the step-by-step calculations and their significance.

Understanding Null vs Alternative Hypotheses in Real-world Scenarios
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore various scenarios and understand the fundamental principles of the null and alternative hypotheses in statistical testing. This video breaks down how these hypotheses represent current beliefs and potential deviations, aiding in the interpretation of statistical findings.

Understanding Mutually Exclusive Events: Real-life Scenarios
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore the concept of mutually exclusive events in probability, using practical examples like rolling a die, selecting college students, and understanding political party registrations.

Comparing Plastic Gear Strengths: Supplier 1 vs. Supplier 2 Analysis
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

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.

U.S. Adult Satisfaction in 2010: Confidence Interval Analysis
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Discover how to construct a confidence interval for understanding U.S. adult satisfaction. Using a sample from a 2010 Gallup Poll, we unveil the proportion of adults pleased with the state of affairs, backed by statistical calculations.

Battery Lifetimes: Mean, Variance & Standard Deviation
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Discover the nuances of analyzing battery lifetime data through mean, variance, and standard deviation computations. Using class boundaries, midpoints, and frequencies, gain insights into the dispersion of battery lifespans and the average deviation from the mean.

Textbook Solutions (0)

Top Selling Study Tools

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back