PreparED Study Materials
STAT 3331: Statistical Analysis for Business Applications I
School: University of Houston
Number of Notes and Study Guides Available: 2
Notes
Study Guides
Videos
Analyzing Engineers' Graduate Plans: Fortune vs Engineering Horizons D
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video contrasts Fortune's claim about engineers pursuing further studies with data from Engineering Horizons. Utilizing hypothesis testing and confidence intervals, we assess the validity of Fortune's assertion within a statistical framework.
Assumptions in Statistics: A High School Age Distribution Error
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Analyze the statistical assumptions made about high school students' ages, emphasizing the importance of understanding distributions before applying the Standard Normal Table.
Estimating Study Hours: A 99% Confidence Method"
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore how a university dean estimates freshmen study hours using statistical methods. Understand the importance of z-scores, confidence levels, and sample sizes in making accurate predictions. Learn how to ensure results are within a desired error margin.
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.
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.
Computers in Schools: Probabilities & Distributions
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Assess the distribution of computers across schools using statistical methods. Determine the probability of a randomly selected school having a specific number of computers. From fewer than 50 to more than 100 computers, derive insightful conclusions about school infrastructures.