STAT 6800: STAT 6800

School: Western Michigan University

Number of Notes and Study Guides Available: 1

Videos

Assumptions in Statistics: A High School Age Distribution Error

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Analyze the statistical assumptions made about high school students' ages, emphasizing the importance of understanding distributions before applying the Standard Normal Table.

U.S. Adult Satisfaction in 2010: Confidence Interval Analysis

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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.

Comparing Stock Returns & Volatility: T-test and F-test Insights

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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.

Thread Strength After Heat Treatment: A 99% Confidence Analysis"

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Explore the impact of heat treatment duration on thread breaking strength. Using statistical analysis, we assess the difference in mean strengths between batches. Confidence intervals help quantify this difference with 99% certainty.

Two-Sample T-Test: Analyzing Control vs. Supplemented Groups

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Explore the steps to conduct a two-sample t-test using a control and supplemented group. Through hypothesis testing, standard deviation, and P-value interpretation, we analyze the means of both groups to determine statistical differences.

Committee Selection: Breaking Down Probabilities

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Uncover the mathematical methods used to determine various probabilities when selecting committees. Utilize combination formulas and probabilities to evaluate different teacher-parent combinations.