Douglas, Fall 2007
Special Codes 00000
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Econ 201 Final Exam
1. For a profit-maximizing monopolist,
a. MR < MC < P.
b. P > MR > MC.
c. P = MR = MC.
Similarities of Translational and Rotational Kinematics
Name and section number: Shuhan Liu-C04
Partners name and section number: Tint Yadana Aung C04 1. Sketch the forces acting
on the masses and hanger
and cart. Show your coordinate systems.
2. Apply Ne
Product Life Circle?
World Trade Organization
1. What is the min, max, mean, and median of the final exams?
The minimum is 55, the maximum is 100, the mean is 84.95 and the median is 90.
Assume a discrete random variable X follows a discrete distribution, where the possible values of X is 0,
2, 4, 6, with corresponding probability 0.3, 0.2, 0.2, 0.3, respectively.
1. Calculate P(X >= 3) and P(X <= 4): (Write steps for partial credits!)
1. Is the height variable quantitative or categorical?
The height variable is quantitative variable.
2.Attach a histogram of height variable.
3. Describe the histogram. (Is the histogram symmetric? How many modal bars does it have?
Where are they located?
Hypothesis Tests as Statistical Inference
Recall from chapter 5 that statistical inference is the use of a
subset of a population (the sample) to draw conclusions about the
There are two main branches of statistical inf
Hypothesis Test Guide
I. Hypothesis Test for a Population Mean
1. Random sample y1 , . . . , yn N (, 2 ), sample mean y, sample variance s2 .
2. 2 is unknown.
Observed Value of Standardized Test Statistic: t =