CK-12 Probability and Statistics - Advanced
http://www.ck12.org Chapter 8. Hypothesis Testing TABLE8.3: DF Probability of Exceeding the Critical Value 0. 10 0. 05 0. 025 0. ...
http://www.ck12.org Chapter 5. Normal Distribution Now press[2nd] [DISTR]and chooseDRAW ShadeNorm. Insert−1, 1 after theShadeNor ...
5.1. The Standard Normal Probability Distribution http://www.ck12.org Z-Scores Az−scoreis a measure of the number of standard de ...
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 5. Normal Distribution distributed normally, then az−score can tell us something about how our test ...
http://www.ck12.org Chapter 8. Hypothesis Testing t= X ̄−μ sx ̄ where: t=test statistic X ̄=sample mean μ=hypothesized populatio ...
5.1. The Standard Normal Probability Distribution http://www.ck12.org Assessing Normality The best way to determine if a data se ...
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 5. Normal Distribution Now that we know how to calculatez−scores, there is a plot we can use to dete ...
http://www.ck12.org Chapter 8. Hypothesis Testing 8.4 Testing a Hypothesis for Dependent and Independent Samples Learning Object ...
5.1. The Standard Normal Probability Distribution http://www.ck12.org The histogram appears to show a roughly mound-shaped and s ...
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 5. Normal Distribution count, there are 9 years for which thez−scores are between−1 and 1. As a perc ...
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 ...
5.1. The Standard Normal Probability Distribution http://www.ck12.org d. The dates of 100 pennies taken from a cash drawer in a ...
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 5. Normal Distribution TABLE5.3:(continued) Number of Sprinkles Deviation Z−scores 223 133 335 322 3 ...
http://www.ck12.org Chapter 8. Hypothesis Testing TABLE8.7: Descriptive Statistic Sample 1 Sample 2 Number(n) 9 8 Sum of Observa ...
5.1. The Standard Normal Probability Distribution http://www.ck12.org 2.z≈ 0. 32 3.z≈ 1. 90 4.z≈ 3. 02 Because the data is norm ...
8.4. Testing a Hypothesis for Dependent and Independent Samples http://www.ck12.org When solving for the test statistic in large ...
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