CK-12 Probability and Statistics - Advanced
8.3. Testing a Mean Hypothesis http://www.ck12.org 8.3 Testing a Mean Hypothesis Learning Objectives Calculate the sample test ...
http://www.ck12.org Chapter 8. Hypothesis Testing If the test statistics falls in the area between the critical values (meaning ...
8.3. Testing a Mean Hypothesis http://www.ck12.org At a 0.05 single-tailed significance level, our critical value for a single-t ...
http://www.ck12.org Chapter 8. Hypothesis Testing TABLE8.3: DF Probability of Exceeding the Critical Value 0. 10 0. 05 0. 025 0. ...
8.3. Testing a Mean Hypothesis http://www.ck12.org Next, we use our alpha level(α)of.05 and thet-distribution table to find our ...
http://www.ck12.org Chapter 8. Hypothesis Testing t= X ̄−μ sx ̄ where: t=test statistic X ̄=sample mean μ=hypothesized populatio ...
8.3. Testing a Mean Hypothesis http://www.ck12.org When setting the critical regions for this hypothesis, it is important to co ...
http://www.ck12.org Chapter 8. Hypothesis Testing 8.4 Testing a Hypothesis for Dependent and Independent Samples Learning Object ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org Dependent samplesare a bit different. Two sa ...
http://www.ck12.org Chapter 8. Hypothesis Testing TABLE8.4: Sample 1 Sample 2 7 12 8 14 10 18 4 13 6 11 10 From this sample, we ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org t= (X ̄ 1 −X ̄ 2 )−(μ 1 −μ 2 ) sX ̄ 1 −sX ̄ ...
http://www.ck12.org Chapter 8. Hypothesis Testing TABLE8.7: Descriptive Statistic Sample 1 Sample 2 Number(n) 9 8 Sum of Observa ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org When solving for the test statistic in large ...
http://www.ck12.org Chapter 8. Hypothesis Testing Since we have a large sample size(n> 120 )it is probably best to use thez-d ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org where: s^2 d=sample variance d=difference be ...
http://www.ck12.org Chapter 8. Hypothesis Testing Standard Deviation: sd= √ ∑(d^2 )−(∑d) 2 n n− 1 = √ 254 −(^32 ) 2 9 8 ≈ 4. 19 ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org Review Questions In hypothesis testing, we ...
http://www.ck12.org Chapter 8. Hypothesis Testing Review Answers Answers are at the reviewers discretion. True This scenario in ...
http://www.ck12.org CHAPTER 9 Regression and Correlation Chapter Outline 9.1 Scatterplots and Linear Correlation 9.2 LEAST-SQUAR ...
http://www.ck12.org Chapter 9. Regression and Correlation 9.1 Scatterplots and Linear Correlation Learning Objectives Understan ...
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