QNT 561 Final Exam UOP Course Tutorials

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d) Longitudinal study 16. Bones Brothers & Associates prepare individual tax returns. Over prior years, Bones Brothers has maintained careful records regarding the time to prepare a return. The mean time to prepare a return is 90 minutes and the standard deviation of this distribution is 14 minutes. Suppose 100 returns from this year are selected and analyzed regarding the preparation time. What assumption do you need to make about the shape of the population distribution of all possible tax preparation times to make inferences about the mean time to complete a tax form? a) The population distribution is skewed to the left. b) The population distribution is skewed to the right. c) The shape of the population distribution does not matter. d) The population distribution is normal. Click here and download QNT 561 17. Checklists with several items to be considered by respondents may be subject to _____. a) recency effects b) leniency effects c) halo effects d) primacy effects 18. In a multiple rating list scale, ____. a) participants rate multiple items on a 3-point scale b) the participant is restricted to circling their rating c) it is possible to visualize the results better than with other numerical scales d) the data generated are always ordinal Want help? Click to download QNT 561 Final Exam
19. As the size of the sample increases, what happens to the shape of the distribution of sample means? a) It cannot be predicted in advance b) It is positively skewed c) It is negatively skewed d) It approaches a normal distribution 20. For any chi-square goodness-of-fit test, the number of degrees of freedom is found by ______. a) n + k b) k -1 c) n – k - 1 d) n + 1 Complete Answers just a click away QNT 561 Entire Course 21. BankChoice is concerned about stagnating profits and asks, "How can profitability be improved?" This is an example of a(n) _____. a) research question b) measurement question c) management question d) investigative question 22. A machine is set to fill the small-size packages of M&M candies with 56 candies per bag. A sample revealed three bags of 56, two bags of 57, one bag of 55, and two bags of 58. To test the hypothesis that the mean candies per bag is 56, how many degrees of freedom are there? a) 1 b) 7 c) 9 d) 8
Page 1 and 2: QNT 561 Final Exam 1. A random samp
Page 3 and 4: d) The relationship between gender
Page 5: ) 6 in the numerator, 15 in the den
Page 9 and 10: ) curvilinearity c) multicollineari

QNT 561 Final Exam UOP Course Tutorials

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