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COURSE: MSCI 3710 Exam 1 Version A Fall 2001 Instructions:
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Fall 2002 Exam 1 Solutions No. 1 Solution Version C: Refer to the table in the question. T critical value(one-tail) is 1.833 Version D: Refer to the table in the question. It is a two-tail test, so look for t critical two tail, which is 2.101. Version C:

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Solutions MSCI 3710 Summer II 2004 Exam 1 C No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Solution The appropriate alternative hypothesis is < 31.5, ref: Table Reject Ho if t* is < -2.54, ref: Table The calculated value of the test statistic is -1.31, ref: T

COURSE: MSCI 3710 Exam 1 Version A Fall 2004
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COURSE: MSCI 3710 Exam 1 Version B Fall 2004
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COURSE: MSCI 3710 Exam 1 Version C Fall 2004
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COURSE: MSCI 3710 Exam 1 Version D Fall 2004
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COURSE: MSCI 3710 Exam 1 A Spring 2005
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COURSE: MSCI 3710 Exam 1 B Spring 2005
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COURSE: DSCI 3710 Exam 1 Version A SEMESTER: Fall 2005
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COURSE: DSCI 3710 Exam 1 Version C SEMESTER: Fall 2005
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Solutions to Exam #1, Version A
Q No. on Ver A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Solutions Version A
The problem states to find if cars performance is better than manufacturers rating , so Ha : M > 30 Since its a Right tailed test ( Ha : M >

Solutions to Exam #1, Version C
Q No. on Ver A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Solutions Version A
The problem states to find if cars performance is better than manufacturers rating , so Ha : M > 30 hence Ho:M<=30 Tcrit is printed in the o

Spring 2002 Exam 1 Solutions MSCI3710 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Solution The correct set of hypothesis for this test is Ho: = 7400 Ha: 7400 When population standard deviation is known and the sample size is large, use Z test Z= (X-)

COURSE: MSCI 3710 Exam 1 Version D Spring 2002 Instructions:
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Spring 2002 Exam 1 Solutions MSCI3710 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Solution The correct set of hypothesis for this test is Ho: = 7500 Ha: 7500 When population standard deviation is known and the sample size is large, use

Fall 2000 Exam 1 Solutions No. 1 2 3 Solution The correct set of hypothesis for this test is Ho: 1 >= 393 Ha: 1 < 393 Z = (X-)/(/n), (390-393)/(22 /42) = -0.88 Variance is 484, so the standard deviation is 22 p-value is 0.0202 and the alpha is 0.01. There

Spring 2001 Exam 1 Solutions MSCI3710 No. 1 2 3 Solution The correct set of hypothesis for this test is Ho: 1 = 7.3 Ha: 1 17.3 Z = (X-)/(/n), (7.2-7.3)/(0.6 /150) = -2.04 Variance is 0.36, so the standard deviation is 0.6 The Calculated Value(2.00) is gre

Fall 2001 Exam 1 Solutions A No. 1 2 C No. 1 2 Solution F = MS Term = 21.46 = 23.5986 MS Error .909375 The calculated F (23.599) is greater that the critical F (3.63). Therefore, we reject the null hypothesis and conclude that The mean annualized return f

Fall 2000 Exam 1 Solutions No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Solution The correct set of hypothesis for this test is Ho: 1 >= 483 Ha: 1 < 483 Z = (X-)/(/n), (490-483)/(22 /40) = 2.01 Variance is 484, so the standard dev

Spring 2001 Exam1 Solutions MSCI3710 No. 1 2 3 Solution The correct set of hypothesis for this test is Ho: = 6.9 Ha: 6.9 Z = (X-)/(/n), (6.8-6.9)/(0.7 /160) = -1.81 Variance is 0.49, so the standard deviation is 0.7 The Calculated Value(2.50) is greater t

Fall 2001 Exam 1 Solutions B No. 1 D No. 6 Solution
MSCI3710 Version B B Version D A
Test whether this company can be accused of paying lower wages, compared to the industry average, the correct set of
hypothesis for this test is
2
5
3 4 5 6 7 8 9 10
7 9

COURSE: MSCI 3710 EXAM 1 Version A SEMESTER: Spring 2001
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COURSE: MSCI 3710 EXAM 1 Version B SEMESTER: Spring 2001
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COURSE: MSCI 3710 EXAM 1 Version C SEMESTER: Spring 2001
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COURSE: MSCI 3710 Exam 1 Version B Fall 2001 Instructions:
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COURSE: MSCI 3710 Exam 1 Version A Spring 2002 Instructions:
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