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Exam1A.Sp05v1

# Exam1A.Sp05v1 - COURSE MSCI 3710 Exam 1 A Spring 2005 Print...

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Use the information given in the following paragraph to answer first four questions. A potential buyer who is considering purchasing a franchise store believes that the average weekly revenue is less than \$10,000. He obtains a random sample of weekly revenues from 10 stores and conducts a statistical analysis on the data using Excel, partial results of which are shown below. Number of Observations 10 Sample Standard Deviation 1210.66 Sample Mean 9621.00 Ho: xxxxxx Ha: xxxxxx T* xxxxxx P[ T T*] 0.1740 T Critical, α = 0.05 -1.8331 t Test for Population Mean 1. What is the alternative hypothesis for testing the potential buyer’s belief? A. Ha: μ > 10,000 B. Ha: μ ≠8 10,000 C. Ha: μ < 10,000 * D. Ha: μ > 10,000 E. Ha: μ < 10,000
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