nferences About Population Variances: Case Problem Air Force Training Program
Prior to beginning work on this discussion forum, watch the Week 3 Introduction
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Step 1: Read:
- Review Case Problem 1: Air Force Training Program
Download Case Problem 1: Air Force Training Program from Chapter 11 of the ebook.
Step 2: Do:
- Run the F-Test Two-Sample for Variances for the Data File Training (Chapter 11) using the video How to Add Excel’s Data Analysis ToolPak
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In a managerial report,
- Use appropriate descriptive statistics to summarize the training time data for each method. What similarities or differences do you observe from the sample data?
- Conduct a hypothesis test on the difference between the population means for the two methods. Discuss your findings.
- Compute the standard deviation and variance for each training method. Conduct a hypothesis test about the equality of population variances for the two training methods. Discuss your findings.
- Explain what conclusion you can reach about any differences between the two methods. What is your recommendation? Explain.
- Suggest other data or testing that might be desirable before making a final decision on the training program to be used in the future.