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Course Documents

Chapter 1 - Intro

Chapter 2 - Methods for Describing Sets of Data

Chapter 3 - Probability

Chapter 4 - Discrete Random Variables

Chapter 5 - Normal Random Variables

Chapter 6 - Sampling Distributions

Chapter 7 - Confidence Intervals

Chapter 8 - Tests of Hypothesis: One Sample

Chapter 9 - Confidence Intervals and Hypothesis Tests: Two Samples

Sample Exam I: Chapters 1 & 2

Sample Exam II: Chapters 3 & 4

Sample Exam III: Chapters 5 & 6

Sample Exam IV: Chapters 7 & 8

Problem 2

10.3 ANOVA: The Randomized Block Design

Test anxiety can hinder academic performance, so a researcher wants to compare the effectiveness of three treatments to reduce test anxiety. The procedure is used on 5 different students. Use the resulting data below and a 1% significance level to test the claim that the three different methods reduce anxiety equally.
Anxiety level on a visual-analogue scale
Subject    Beta Blocker    Valerian Root      Meditation
1                     2.7                        1.3                         1
2                     3.9                        3.6                        3.1
3                     4.1                        4.2                        3.9
4                     4.3                        4.1                          4
5                     2.9                        2.8                         2.2
 

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