PreparED Study Materials
STAT 0200: Basic Applied Statistics
School: University of Pittsburgh
Number of Notes and Study Guides Available: 4
Notes
Videos
Evaluating Tornado Length Claims: A Statistical Breakdown
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore a statistical approach to analyze the claim about average tornado lengths. Understand the nuances of hypothesis testing, from setting null and alternative hypotheses to interpreting P-values. Witness a comprehensive breakdown of the evidence from a sample of 500 tornadoes.
Which Confidence Level Produces the Widest Interval? Explained!
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Uncover the relationship between confidence levels and interval widths. Grasp how the range of confidence intervals broadens with increasing confidence. Understand the trade-offs in statistical certainty and estimation.
Americans on Marriage: Statistical Insights from a Sample
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Review a Pew Research Center study on Americans' beliefs about marriage. Through statistical analysis, understand the sampling distribution, standard deviation, and the probabilities surrounding various beliefs. The insights detail public sentiments and the significance of sample outcomes.
Computing Probabilities: College Students & Computer Ownership
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
2010 US Gas Prices: Insights with Chebyshev’s Inequality
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unpack the average US gasoline prices in December 2010 using Chebyshev’s Inequality. Discover the minimum percentage of gas stations within specific price deviations. Learn how prices ranged based on standard deviations from the mean.
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.