Reference no: EM13817415
1) Teams that operate separately from the regular work structure and exist temporarily are known as:
A. Management teams
B. Parallel teams
C. Self-managed teams
D. Transnational teams
E. Self-designing teams
2) Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18.
For this sample, the median is _____.
A. 2.5
B. 3.5
C. 2
D. 3
3) A poll showed that 48 out of 120 randomly chosen graduates of California medical schools last year intended to specialize in family practice. What is the width of a 90% confidence interval for the proportion that plan to specialize in family practice?
A. ± .08765
B. ± .00329
C. ± .04472
D. ± .07357
4) Dullco Manufacturing claims that its alkaline batteries last forty hours on average in a certain type of portable CD player. Tests on a random sample of 18 batteries showed a mean battery life of 37.8 hours with a standard deviation of 5.4 hours.
In a left-tailed test at = .05 we would __________.
A. switch to alpha of 0.01 for a more powerful test
B. feel uncomfortable with either decision (too close)
C. comfortably reject the claim
D. comfortably accept the claim
5) A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is estimated to be $300. If a 98 percent confidence interval is used and an interval of ±$75 is desired, how many cardholders should be sampled?
A. 87
B. 629
C. 3382
D. 62
6) In a random sample of 810 women employees, it is found that 81 would prefer working for a female boss. The width of the 95% confidence interval for the proportion of women who prefer a female boss is _____.
A. ± .0207
B. ± .0196
C. ± .0288
D. ± .0105
7) William used a sample of 68 U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income(median income per capita). His estimated regression equation was Crime = 428 + .050 Income.
From this information, we can conclude that __________.
A. none of these are correct
B. wealthy individuals tend to commit more crimes
C. the slope is not significantly different from zero
D. crime creates additional income in a city
8) Which one of the following statements about managerial inputs to production and staffing plans is best?
A. Finance provides labor and machine standards.
B. Human resources provide the training capacity and labor-market conditions.
C. Materials provide the current staffing level.
D. Marketing provides new product or service developments.
9) You are faced with a linear programming objective function of:
Max P = $20X + $30Y
and constraints of:
3X + 4Y = 24 (Constraint A)
5X - Y = 18 (Constraint B)
You discover that the shadow price for Constraint A is 7.5 and the shadow price for Constraint B is 0. Which of these statements is TRUE?
A. You can change quantities of X and Y at no cost for Constraint B.
B. For every additional unit of the objective function you create, you lose 0 units of B.
C. The most you would want to pay for an additional unit of A would be $7.50.
D. For every additional unit of the objective function you create, the price of A rises by $7.50.
10) A computer analysis reveals that the best-fitting trend model is Yt = 4.12 e 0.987 t. The trend was fitted using year-end common stock prices for Melodic Kortholt Outlet for the last six years. The R2 is 0.8571. Which conclusion is not correct?
A. The stock's true intrinsic value is $4.12.
B. At the end of year 3 the stock price would be nearly $80.
C. The absolute annual growth (in dollars per share) is increasing.
D. Few investments could match the astounding growth rate.
11) A computer analysis reveals that the best-fitting trend model is Yt = 4.12 e 0.987 t. The trend was fitted using year-end common stock prices for Melodic Kortholt Outlet for the last six years. The R2 is 0.8571.
If we fit a linear trend to data that are growing exponentially __________.
A. the stock's true intrinsic value is $4.12
B. at the end of year 3 the stock price would be nearly $80
C. the absolute annual growth (in dollars per share) is increasing
D. few investments could match the astounding growth rate
12) Suppose that the optimal values of the decision variables to a two-variable linear programming problem remain the same as long as the slope of the objective function lies between the slopes of the following two constraints:
2X1 + 3X2 26
2X1 + 2X2 20
The current objective function is:
8X1 + 9X2 = Z
Which of the following statements about the range of optimality on c1 is TRUE?
A. 0 c1 2
B. 2 c1 6
C. 9 c1 12
D. 6 c1 9
13) Networks enable which of the following applications?
A. Discovery
B. Communications
C. All of the these
D. Web services
E. Collaboration
14) Success in the _____ phase of the decision making process results in resolving the original problem, and failure leads to a return to previous phases.
A. implementation
B. choice
C. design
D. intelligence
E. consideration
15) Zappos built the majority of its information systems using which of the following?
A. Vendor software
B. Proprietary software
C. Consultants
D. Free software
E. Open source software
16) What is _____ is not necessarily _____.
A. Illegal, unethical
B. Ethical, illegal
C. Ethical, legal
D. Unethical, legal
E. Unethical, illegal
17) Fundamental points about network computing in organizations include all of the following except:
A. Computers constantly exchange data
B. Computer data exchange provides significant advantages to organizations
C. Networks support new ways of doing business
D. Networks have had limited impact on organizational productivity
E. Networks can be of any size, from small to enormous
18) Which of the following are not provided by digital dashboards?
A. Drill down
B. Transaction processing
C. Exception reporting
D. Key performance indicators
E. Status access
19) The management cockpit best exemplifies which type of system?
A. Decision support system
B. Expert system
C. Group decision support system
D. Functional area information system
E. Digital dashboard
20) __________ integrate the planning, management, and use of all of an organization's resources, and are designed to tightly integrate the functional areas of the organization.
A. Transaction processing systems
B. Supply chain management systems
C. Corporate extranets
D. Enterprise resource planning systems
E. Functional area information systems