The storm drains in the Cedar Rapids, Iowa, have been upgraded following the devastating floods of 2008.

The storm drains in the Cedar Rapids, Iowa, have been upgraded following the devastating floods of 2008. The network of storm drains and the capacities are shown below. Determine the maximum flow (in hundreds of gallons of water per minute) from node 1 to node 5. Remember that the arc has both capacity and reverse capacity.

Explanation: You can use QM for Windows—Networks—Maximal Flow with the above information.

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Answer:

Explanation (include software output):

8. From the States Data Set the following output for Population and for the Area was created.

1. Which variable has the greatest relative variation?

Answer:

Explanation (including calculations):

9. You are a consultant working for Kaplan Consulting. The U.S. Department of Labor has requested assistance in evaluating the impact of economic stimulus on the unemployment rate. From the States Data Set the following t test was conducted to answer the question:“Has there been a significant reduction in the national unemployment rate between January and May?”

Output from PhStat2            :                              Output from Excel-DataAnalysis:

1. What is the Null and the Alternative Hypotheses?

Ho:

Ha:

1. What is your level of alpha (α)?

1. What is your decision about the hypothesis based on the software output?
3. Has there been a significant reduction in the national unemployment rate between January and May?

10. The Governor of a southern state has asked Kaplan Consulting to determine if the state were able to increase the percentage of its population with a Bachelor’s Degree to 55%, what might be the expected median household income based on 2000 data? Here is the output from the Regression procedure from Excel.

1. What would be the predicted median household income if the percentage of the population in the state were 55% or 55?
2.  

Answer:

Explanation (include all calculations):

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