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Eco 578 Midterm Examination Questions and Answers

  • Date Submitted: 07/13/2016 05:47 AM
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ECO 578 Midterm Examination Questions and Answers
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Midterm   Exam
• There 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 sheet
1. Scan your answer sheet and place it in ONE FILE at drop-box.
(Make sure it is not zipped into one file.)
1. Use MS-Word and place it in a drop-box.

• **Excel is not acceptable for this test
• **Deadline: Monday, 22nd of February 2016 by noon
• **All work must be shown step by step in order to receive credit (Part D)


Part 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


3. Name measures of spread or variability.




4. Name 4 types of random samples.




5. What are the uses of regression analysis?



1. Suppose the classes for an organized set of data are as follows: please fill in the A column and answer the B question.
Class A. B.
Mid-Point What is the value of class width?
0.235 – 0.875
0.875 – 1.515
1.515 – 2.155


1. Suppose the classes for an organized set of data are as follows and answer the A question:
Class A.     Into which class is the value 14.6 assigned?
11.2 – 12.9
12.9 – 14.6
14.6 – 16.3


8. What is the standard deviation for these data: 5.784, 5.784, and 5.784



Part B: True or False (9-28)
Please put T or F in the column T or F box
T F
9 For the data, 35, 22, 18, and 25, the value of the median is 20.
10 The random...

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