PreparED Study Materials
STAT 210: Introduction to Statistics
School: University of Kentucky
Number of Notes and Study Guides Available: 4
Study Guides
Videos
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.
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.
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.
Brand X vs. Brand Y: 95% Confidence in Voltage Difference
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Compare the voltages of Brand X and Brand Y batteries using statistical analysis. Learn how to determine a 95% confidence interval for their mean differences. Understand the process from data collection to interpretation of results.
Analyzing Grade Variance: Is it More than Usual? A Chi-Square Test
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process of analyzing variance in midterm grades with a Chi-Square test. Understand the significance of high variance and its implications. Follow along as we assess a professor's suspicion about unusually varied student performance.
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.