PreparED Study Materials
STAT 161: Intro to Public Relations
School: Capital University
Number of Notes and Study Guides Available: 1
Study Guides
Videos
Analyzing Movie Habits Survey: Uncovering Hidden Biases
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the potential biases in a survey about movie-watching habits based on its design and constraints. Learn how limiting to residential phones and specific time frames can affect results. Recommendations are made to ensure a broader, more accurate perspective.
Understanding Mutually Exclusive Events: Real-life Scenarios
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the concept of mutually exclusive events in probability, using practical examples like rolling a die, selecting college students, and understanding political party registrations.
Decoding Probabilities: Unions, Intersections, and Complements
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of calculating probabilities using set theory concepts such as union and intersection. With step-by-step computations, understand how to find the likelihood of events A and B occurring or not occurring together. Witness the application of classic probabilistic formulas.
Eye Color & Assortative Mating in Scandinavian Couples
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the concept of assortative mating through an eye-color study of 204 Scandinavian couples. Discover how probabilities highlight nonrandom mating patterns. Conclude if eye colors of partners are independent or reveal assortative tendencies.
Lake Macatawa Bacteria: 90% Confidence Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the method to analyze bacteria colonies in Lake Macatawa's east basin. Using 30 samples, we compute a 90% confidence interval for the mean colony count. Learn the steps of statistical analysis in environmental studies.
Committee Selection: Breaking Down Probabilities
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the mathematical methods used to determine various probabilities when selecting committees. Utilize combination formulas and probabilities to evaluate different teacher-parent combinations.






