Reference no: EM131791870

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