Sample Exam I STAT 211
(Fall 2010)
Name :
Student ID :
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You have 75 minutes to complete this test.
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You may use the provided sheets, all appropriate tables (if any) and a calculator.
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If I provide partial results—assume they are correct and use them even if they are not.
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If there is no correct answer or if multiple answers are correct, select the
best
answer.
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This test consists of 25 questions. Make sure you have all questions and Good luck!
1
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1.
Consider the data set: 17 1 2 4 4 8 1 0 7 11 12 8 1 What is the mean and median
value of the data set?
A.
Mean is 0.1538, median is 0.
B.
Mean is 0, median is 0.1538.
C.
Mean is 5.8462, median is 4.
D.
Mean is 0.1538, median is 1.
E.
Mean is 5.8462, median is 0.
2.
For the above data set, what is the range and variance?
A.
Range=[17, 12], var=8.0088.
B.
Range=[17, 12], var=64.1410.
C.
Range=[0, 12], var=64.1410.
D.
Range=[0, 17], var=64.1410.
E.
Range=[17, 12], var=29.
3.
Which statement is not true?
4.
A boxplot:
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 Spring '07
 Parzen
 Normal Distribution, Standard Deviation, Variance, Probability theory, d., c.

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