Assignment - Develop a statistical analysis based on the Case Study Scenarios. A Word document is not needed.
Include answers to the following:
Case 1: Election Results
Use 0.10 as the significance level (Alpha).
Calculate and interpret a proportions confidence interval.
Conduct a one-sample z-test proportions hypothesis test to determine if the networks should announce at 8:01 P.M., the Republican candidate George W. Bush, will win Florida.
Use the eight-step hypothesis test format illustrated in the tutorial. Show the calculations.
Case 2: Speed X
Use 0.10 and the significance level (Alpha).
Calculate a one-sample means confidence interval. Interpret the confidence interval using 0.10 as the significance level (Alpha).
Conduct a one-sample t-test means hypothesis test and determine if you can support the CFO to conclude the plan is statistically significant.
Use the eight-step hypothesis test format illustrated in the tutorial. Show the calculations.
Case 3: Living Costs
Use 0.05 and the significance level (Alpha).
Conduct a two-sample t-test means to determine if there is a difference in average living standards between the two cities.
Conduct an F-test to determine if there is more variation in the Toronto living standard than Mexico City.
ANOVA allows the analysis of two or more means. On a two-tailed t-test of means, confirm the ANOVA p-value is similar.
Use the eight-step hypothesis test format illustrated in the tutorials. Show the calculations.
Eight-Step Process for Testing Hypotheses
1. Establish a Null and Alternate Hypothesis (symbols)
2. Determine the Appropriate Statistical Test
3. Set Alpha
4. Establish the Decision Rule
5. Gather Sample Data
6. Analyze the Data
7. Reach a Statistical Conclusion
8. Make a Business Decision
Attachment:- Assignment Files.rar