PreparED Study Materials
ST 370: Business Info Systems Overview
School: Oregon State University
Number of Notes and Study Guides Available: 0
Videos
Crunching Car Sales Data: Size, Color, and Probability Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Uncover the likelihood of different car combinations by size and color from a dealer's sales data. Learn how to calculate probabilities, from the chances of a small car being black to the odds a non-small car isn't gray. An insightful look into understanding car preferences.
Unpacking Bias in Surveys: Analyzing Parade's Cell Phone Ban Poll
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Examine the potential biases in a Parade Magazine survey about banning cell phone use while driving, focusing on the implications of voluntary response sampling.
Analyzing Voter Demographics: Independence & Exclusivity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Analyze the relationships between different political affiliations and age groups. Determine whether certain events are independent, mutually exclusive, or neither, based on the provided probabilities. The findings offer a nuanced understanding of voter demographics and their interdependencies.
Computing Probabilities: College Students & Computer Ownership
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Understand the probabilities of computer ownership among university first-year students through various scenarios. This video breaks down calculations for chances of ownership and non-ownership among random groups.
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.
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:
full solution
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.













