# Eco 578 Midterm Examination Questions and Answers Essay

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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

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The following data, reported by a sample of students, are the number of movies seen in a movie theatre during past six months.

6 6 9 12 6 4 8 15 6 The frequency of students who saw 6 movies is 6. 19 The arithmetic mean is the sum of the data values divided by the number of observations. 20 is 21 means that A and B are mutually exclusive events. 22

Mutually exclusive events imply that if one event occurs, the other cannot occur. An event (e.g.,) and its complement are always mutually