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Compare two discounted plans

Using the attached data sheet to determine whether the discounted plan is superior to the non-discounted plan. Each pair of customers was chosen from the same block in the district. The data represents the number of days before the customer pays the bill. Provide a 95% confidence interval for the difference between the sample means.

Use the six-step approach to analyze this data.

1. State the hypothesis
2. Specify a(Alpha) = 0.05
3. Define the test statistic
4. Define reject region
5. Calculate test statistic
6. Determine reject or not reject and explain why.

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Solution Summary

Using the attached data sheet to determine whether the discounted plan is superior to the non-discounted plan. Each pair of customers was chosen from the same block in the district. The data represents the number of days before the customer pays the bill. Provide a 95% confidence interval for the difference between the sample means.

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