All of the following are information systems trends EXCEPT:
a. more companies are moving to wireless networks
b. management information systems are become simpler and easier to use
c. expert systems’ imitation of human thinking
d. the movement away from the mainframe and into distributed data processing
e. the outsourcing of computing activities
b. management information systems are become simpler and easier to use
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Which nontraditional work schedule gives workers greater flexibility in terms of working hours and location?
A. flextime B. compressed workweek C. job sharing D. telecommuting
Molly and Tom are getting married. Last month they hired a caterer for the wedding reception. This month they attended a wedding for which their chosen caterer had provided food, dishes and flowers. Neither thought the food was good and Molly worried that the dishes looked cheap. However, they feel they cannot change caterers at this date due to the large deposit required by the catering company when it took the job. Molly and Tom do not want to pay:
A. Extraneous expenses B. Opportunity costs C. Fixed costs D. Switching costs E. Retained costs
Qualitative (or categorical) variables can be incorporated into regression models by converting it to a ________
a. dummy variable b. randomized block model c. model with interaction d. block
What kind of tax best describes the federal income tax?
A. Regressive B. Excise C. Progressive D. Customs