DOLLAR - ECO 578 Spring 2016 Page Name ID Online Exam I...

This preview shows page 1 - 4 out of 17 pages.

ECO 578 Spring 2016Page Name: _________________ID: _________________Online Exam IPart A: Answer the following questions (1-8)1.Name 6 reasons why we use samples instead of an entire population
2.Name 3 types of statistical samples
Midterm ExamThere are 4 parts: Part A: Answer the following questions (1-8)Part B: True/ False (9-28)Part C: Select the correct answer for the following questions (29-38)Part D: Work Problem (39-50) **All work must be shown step by step**Two different ways to submit your answer sheet1.Scan your answer sheet and place it in ONE FILEat drop-box.(Make sure it is not zipped into one file.)2.Use MS-Word and place it in a drop-box.**Excel is not acceptable for this test**Deadline: Monday, 22ndof February 2016 by noon**All work must be shown step by step in order to receive credit (Part D)
ECO 578 Spring 2016Page 3.Namemeasures of spread or variability.RangeStandard deviationInter-quartile range4.Name 4 types of random samples.
5.What are the uses of regression analysis
6.Suppose the classes for an organized set of data are as follows: please fill in the A columnand answer the B question.ClassA.B.Mid-PointWhat is the value of class width?
7.Suppose the classes for an organized set of data are as follows and answer the A question:
ECO 578 Spring 2016Page Class

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture