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Unformatted text preview: pter 01  An Introduction to Business Statistics 54. Consider the 3X2 contingency table below. Compute the expected frequencies in row 3.
A. 20, 30
B. 15, 15
C. 12, 18
D. 9, 21 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 1
Topic: ChiSquare 55. Consider the 3X2 contingency table below. How many degrees of freedom are associated with the chisquare test?
A. 6
B. 5
C. 2
D. 3
Degrees of freedom = (3  1) (2  1) = 2 AACSB: Analytic
Bloom's: Application
Difficulty: Easy
Learning Objective: 1
Topic: ChiSquare 11100 Chapter 01  An Introduction to Business Statistics 56. Consider the 3X2 contingency table below. At
= .05, determine the tabular value of the chisquare statistic used to test for the
independence of Factors A and B?
A. 12.6
B. 11.1
C. 7.81
D. 5.99 χ2.05,2 = 5.99 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 3
Topic: ChiSquare 11101 Chapter 01  An Introduction to Business Statistics 57. Consider the 3X2 contingency table below. At a significance level of .05, test H0: the factors A and B are independent.
A. Reject H0
B. Fail to reject H0 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 3
Topic: ChiSquare 11102 Chapter 01  An Introduction to Business Statistics 58. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed frequencies. It is desired to test whether these measurements came from a normal population.
Calculate the expected frequency for the interval 039.99.
A. 10.44
B. 12.00
C. 14.56
D. 12.50 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 2
Topic: ChiSquare 11103 Chapter 01  An Introduction to Business Statistics 59. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed frequencies. It is desired to test whether these measurements came from a normal population.
Calculate the expected frequency for the interval 4059.99.
A. 20.37
B. 18.00
C. 14.56
D. 12.50 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 2
Topic: ChiSquare 11104 Chapter 01  An Introduction to Business Statistics 60. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed frequencies. It is desired to test whether these measurements came from a normal population.
Calculate the expected frequency for the interval 6079.99.
A. 15.00
B. 14.56
C. 12.28
D. 9.93 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 2
Topic: ChiSquare 11105 Chapter 01  An Introduction to Business Statistics 61. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed frequencies. It is desired to test whether these measurements came from a normal population.
Calculate the expected frequency for the interval 80 and higher.
A. 5.00
B. 12.50
C. 2.80
D. 22.21 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 2
Topic: ChiSquare 11106 Chapter 01  An Introduction to Business Statistics 62. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed frequencies. It is desired to test whether these measurements came from a normal population.
How many degrees of freedom are associated with the chisquare test?
A. 1
B. 4
C. 3
D. 2
421=1 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 2
Topic: ChiSquare 11107 Chapter 01  An Introduction to Business Statistics 63. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed and expected frequencies. It is desired to test whether these measurements came from a normal population. Calculate the
value of the chisquare test statistic?
A. 2.32
B. 3.07
C. 1.30
D. 0.72 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 2
Topic: ChiSquare 11108 Chapter 01  An Introduction to Business Statistics 64. Consider a set of 50 measurements with mean 50.2 and standard deviation 18.7 and with
the following observed and expected frequencies. It is desired to test whether these measurements came from a normal population. At a
significance level of .05, test H0: the set of 50 measurements came from a normal population.
A. Reject H0
B. Fail to reject H0 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 2
Topic: ChiSquare 11109 Chapter 01  An Introduction to Business Statistics 65. A U.S. based internet company offers an online proficiency course in basic accounting.
Completion of this online course satisfies the "Fundamentals of Accounting" course
requirement in many MBA programs. In the first semester 315 students have enrolled in the
course. The marketing research manager divided the country into seven regions of
approximately equal populations. The course enrollment values in each of the seven regions
are given below. The management wants...
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 Winter '14

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