Description

Description: These detailed notes cover Week 10: Tests for Mean from the University of Sydney’s DATA1001 (Introduction to Data Science) course. Perfect for mastering hypothesis testing involving means and proportions in preparation for quizzes and finals. βœ… Topics Covered: HATPC Framework: Hypotheses, Assumptions, Test Statistic, P-value, Conclusion One-Sample t-Test (unknown population SD) Two-Sample t-Test (independent samples) Welch’s Test for unequal variance Z-Test for Mean (known population SD) Z-Test for Proportion Paired T-Test for non-independent data Confidence intervals and interpretation Assumption checks: QQ plots, boxplots, Levene’s Test, Shapiro-Wilk Test Comparative summary tables for choosing the right test Real-world examples (, caffeine & athletic performance) πŸ“Š Includes: Step-by-step structure to apply statistical inference properly Visual intuition for test conditions (, tails, significance level) Summary tables to help quickly identify when to use each test πŸ“ Based on lecture content, examples, and reworded in a clear, student-friendly format to make revision easy.


USYD

Semester 1, 2025


10 pages

1,730 words

$29.00

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USYD, Camperdown/Darlington

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May 2025