PreparED Study Materials
EPI 547: Information Management: Applications of Epidemiology and Biostats
School: Michigan State University
Number of Notes and Study Guides Available: 0
Videos
Testing the Claim: Is Soft Drink Consumption Really 52 Gallons?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the process of using a one-sample t-test to validate a claim about average soft drink consumption. By calculating the test statistic and analyzing the corresponding P-value, we determine the validity of the researcher's assertion.
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:
full solution
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.
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.
Analyzing Age Distribution of Proofreaders: A Statistical Approach
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the statistical process behind analyzing the age distribution of proofreaders at a publishing company. Learn how to use the Z-score formula for individual and sample mean probabilities, and how to interpret results using a Z-table.
Cereal Box Weights: Z-Scores, Probabilities & Truth Behind Claims
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricacies of evaluating cereal box weights using Z-scores and normal distribution. By examining both individual boxes and a sample mean, understand the probabilities of achieving certain weight values. Gain insights into how statistical tools help interpret real-world product claims.
Comparing Stock Returns & Volatility: T-test and F-test Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Compare the mean returns and volatilities of two stocks using t-test and F-test methods. Through the application of hypothesis testing and P-value calculations, we determine which stock provides higher returns and which is riskier.




