1-20chapter stats

Compute the expected frequencies in row 1 a 16 14 b 20

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Unformatted text preview: ed 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 1-1057 Chapter 01 - An Introduction to Business Statistics 65. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. Calculate the expected enrollment (frequency) for all 7 regions. A. 60 B. 45 C. 52.50 D. 30 1-1058 Chapter 01 - An Introduction to Business Statistics 66. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. Calculate the value of the chi-square statistic. A. 0 B. 2.22 C. 15.56 D. 2.89 1-1059 Chapter 01 - An Introduction to Business Statistics 67. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. How many degrees of freedom are associated with the chi-square test and at determine the rejection point condition of the chi-square statistic. A. 7, 14.1 B. 6, 12.6 C. 6, 16.8 D. 7, 12.0 1-1060 = .05 Chapter 01 - An Introduction to Business Statistics 68. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. At a significance level of .05, test H0: the probabilities are equal for all seven regions. A. Reject H0 B. Fail to reject H0 69. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. At a significance level of .01, test H0: the probabilities are equal for all seven regions. A. Reject H0 B. Fail to reject H0 1-1061 Chapter 01 - An Introduction to Business Statistics 70. A U.S. based internet company offers an on-line 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 to know if there is equal interest in the course across all regions. Assume that H0 - equal probabilities across regions is rejected. State a one sentence managerial conclusion. A. It appears that the enrollment differs among all of the seven regions. B. It appears that the enrollments across the seven regions are equal. C. It appears that the enrollment differs among some of the seven regions. D. We cannot draw conclusions about enrollment differences among the seven regions. 1-1062 Chapter 01 - An Introduction to Business Statistics 71. A U.S. based internet company offers an on-line proficiency course in basic accounting. Completion of this online course satisfi...
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This document was uploaded on 01/20/2014.

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