QBA 2 Sample Exam 3 with answers

QBA 2 Sample Exam 3 with answers - Quantitative Business...

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Quantitative Business Analysis II 6500:222 Sample Exam 3 Professor Patankar Name___________________ Instructions : 1. Solve all problems b. Show all work for full credit 3. Point allocation is indicated in the parentheses. 4. Answers without supporting justification will not receive credit 5. Calculators are permitted. 6. Please turn off your cell phones. 7. Please remove your caps.
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(7) 1. Last school year, in the school of Business Administration, 25% were Accounting majors, 20% Management majors, 30% Marketing majors, and 25% Economics majors. A sample of 330 students taken from this year's students of the school showed the following number of students in each major: Accounting 93 Management 68 Marketing 95 Economics 74 Total 330 Has there been any significant change in the number of students in each major between the last school year and this school year? Use α = 0.01. Use appropriate non parametric procedure. 2
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below. Year Sales (In Millions of Dollars) 1986 3 1987 4 1988 7 1989 8 1990 4 1991 10 1992 9 (4) a) Develop a linear trend expression for the above time series. (2) b) Forecast sales for 2008. Express forecast in dollars. 3
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QBA 2 Sample Exam 3 with answers - Quantitative Business...

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