
BUS 660 BUS660 Week 3 Homework Answers
BUS 660 Week 3 Homework Solutions (Grand Canyon University)
4-13 Students in a management science class have just received |
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their grades on the first test. The instructor |
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has provided information about the first test grades |
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in some previous classes as well as the final average |
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for the same students. Some of these grades have |
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been sampled and are as follows: |
4-14 Using the data in Problem 4-13, test to see if there is |
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a statistically significant relationship between the |
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grade on the first test and the final average at the |
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0.05 level of significance. Use the formulas in this |
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chapter and Appendix D. |
4-15 Using computer software, find the least squares regression |
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line for the data in Problem 4-13. Based on |
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the F test, is there a statistically significant relationship |
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between the first test grade and the final average |
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in the course? |
4-19 Bus and subway ridership in Washington, D.C., during |
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the summer months is believed to be heavily tied |
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to the number of tourists visiting the city. During the |
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past 12 years, the following data have been obtained: |