# STA 2023: Statistics for Business and Economics

### School: Florida International University

Number of Notes and Study Guides Available: 2

### Videos

##### 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.

##### Football Field Goal Probabilities: A Multi-Player Analysis

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Discover the art of calculating probabilities in football. Using three players' success rates, we determine the odds of different goal outcomes. Understand independent and mutually exclusive events in a real-world scenario.

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##### Analyzing Age Distribution of Proofreaders: A Statistical Approach

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Discover the statistical process behind analyzing the age distribution of proofreaders at a publishing company. Learn how to use the Z-score formula for individual and sample mean probabilities, and how to interpret results using a Z-table.

##### Analyzing Teen Texting: Confidence Interval & Plausibility

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Discover how to calculate the 95% confidence interval for a population proportion using sample data. Through a practical example about texting habits among American teens, learn the implications of this statistical tool and how to assess plausibility.

##### Pet Phone Calls: Validating a 37% Claim with Z-test

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Explore a claim from the American Animal Hospital Association that 37% of pet owners communicate with their pets over the phone. Through hypothesis testing and a z-test, evaluate a skeptical veterinarian's doubts. Conclusions shed light on pet owners' unique communication habits.