PreparED Study Materials
STAT 161: Intro to Public Relations
School: Capital University
Number of Notes and Study Guides Available: 1
Study Guides
Videos
Young Adults' TV Habits: Decoding Mean and Probability
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to determine the probability and mean of young adults watching TV in a week. Using provided data, we compare the sample mean with the calculated population mean to interpret expected TV viewing habits.
Chi-Square Observations: Probability of Exceeding 7.779
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how to compute the likelihood of observations exceeding a certain value in a chi-square distribution with 4 degrees of freedom. Using the binomial distribution formula, evaluate the chances of at most 3 out of 15 observations surpassing the 7.779 mark. Results highlight the intricacies of data distributions.
U.S. Adult Satisfaction in 2010: Confidence Interval Analysis
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
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:
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.
Calculating Permutations: 720 Ways to Arrange 6 Objects
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the principles of permutations with 6 distinct objects. Learn the ins and outs of factorial calculation and its application to combinatorics. Grasp the method to find the number of unique arrangements for any set of items.