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York County Community College
YCCC
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Statistics
Chapters 7, 8, & 9: Confidence Intervals and Hypothesis Testing
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Statistics: Chapters 7, 8, & 9: Confidence Intervals and Hypothesis Testing
An SSC collection of resources and tools to augment and supplement an introductory, college-level Statistics course.
Chapters 1, 2, & 3: Terminology, Graphs, Tables, and Fundamental Statistics
Chapters 4, 5, & 6: Probability & Counting, Binomial, and the Standard Normal Distribution
Chapters 7, 8, & 9: Confidence Intervals and Hypothesis Testing
Chapters 10 & 11: Correlation, Regression, Chi-Square, and ANOVA
SSC Home
Math Home
Course Resources
Chapter-by-Chapter Formula Sheet Including Z-Score, t-Score, Binomial, Chi-Square, and Regression Tables
Online Browser-Based and Mobile App Statistics Calculators
Statistics Glossary of Symbols
TI-83/84 Calculator Essential Key Combinations (with Normal Distribution Examples)
Chapter 7: Confidence Intervals & Sample Size
Section 7-1 Guide (with Examples)
Section 7-2 Guide (with Examples)
Section 7-3 Guide (with Examples)
Section 7-4 Guide (with Examples)
[VIDEO] Constructing a Confidence Interval for the Mean (when Population Standard Deviation is Known)
[VIDEO] Constructing a Confidence Interval for the Mean (when Population Standard Deviation is Unknown)
[VIDEO] Constructing a Confidence Interval for Proportions
[VIDEO] Finding Sample Size for Population Means
[VIDEO] Finding Sample Size for Proportions
Chapter 7 Quizlets (Online Flashcards)
Chapter 8: Hypothesis Testing
Section 8-1 Guide (with Examples)
Section 8-2 Guide (with Examples)
Section 8-3 Guide (with Examples)
Section 8-4 Guide (with Examples)
How to Find Critical Values (Z-Scores and t-Scores)
How to Find P-Values (from Z-Scores and t-Scores)
Decisions and Summaries with the Critical Value Method
[VIDEO] Example of Hypothesis Testing for Means (When Sigma is Known), Critical Value Method
[VIDEO] Example of Hypothesis Testing for Means (When Sigma is Unknown), Critical Value Method
[VIDEO] Hypothesis Testing Examples Using P-Value Method (Z-Tests)
[VIDEO] Hypothesis Testing Example of P-Value Method (using t-test, sigma unknown)
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Chapters 4, 5, & 6: Probability & Counting, Binomial, and the Standard Normal Distribution
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Chapters 10 & 11: Correlation, Regression, Chi-Square, and ANOVA >>