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Who is better at multi-tasking? In business, employees are often asked to perform a complex task when their attention is divided (ie., multi-tasking). Human Factors (May 2014) published a study designed to determine whether video game players are better than non–video game players at multitasking. Each in a sample of 60 college students was classified as a video game player or a non-player. Participants entered a street crossing simulator and were asked to cross a busy street at an unsigned intersection. The simulator was designed to have cars traveling at various high rates of speed in both directions. During the crossing, the students also performed a memory task as a distraction. Two variables were measured for each student: (1) a street crossing performance score (measured out of 100 points) and (2) a memory task score (measured out of 20 points). The researchers found no differences in either the street crossing performance or memory task score of video game players and non-garners. “These results,” say the researchers, “suggest that action video game players [and non-garners] are equally susceptible to the costs of dividing attention in a complex task”.
- a. Identify the experimental unit for this study.
- b. Identify the variables measured as quantitative or qualitative.
- c. Is this an application of
descriptive statistics orinferential statistics ? Explain.
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Chapter 1 Solutions
EBK STATISTICS FOR BUSINESS AND ECONOMI
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- Coku-cola and Pepusi are two duopoly cola brands in the coke market. A market research had been conducted to show the preference of the customers. In the research, one of the element of coke, sweetness, was evaluated, scaling 0 to 1, as an indicator from lighter to sweeter. Based on the research, customers who preferred lighter coke would tend to choose Coku-cola, whereas customers who preferred sweeter coke would choose Pepusi. Investigators also found that the willing-to-pay price of the customers toward their preference was based on the scale of sweetness. The intangible cost to force a sweet-preferred customer to choose a light coke is $1, vice versa. For example, a customer who prefer 0.6 sweetness would buy a perfectly light coke by adding cost $0.6 or buy a perfectly sweet coke by adding $0.4. The sweetness of both brands were tested by a sweetness tester. The result came out that the sweetness of Coku-cola is 0 while the sweetness of Pepusi is 1. Assume the preference of…arrow_forwardFor the students of the college, the visual appearance of the campus is _______(rival/nonrival) and ______(nonexcludable/excludable). Thus, the visual appearance would be classified as a public good. Suppose the college administrators estimate that the beautification initiative will cost $34,980. To decide whether the initiative should be undertaken, administrators conduct a survey of the college's 1,460 students, asking each of them their willingness to pay for the beautification project. The average willingness to pay, as revealed by the survey, is $32. The benefit of the beautification initiative, as suggested by the survey, is $_______. Because the estimated benefit is _______(less/greater) than the cost, the college administrators _______(should not/should) undertake the beautification initiative. The calculation of the benefit of the beautification initiative relied on the ability of the administrators to capture the true willingness to pay of each student accurately. Which…arrow_forward6. Consider a project that would involve purchasing marginal farmland that would then be allowed to return to wetlands capable of supporting migrant birds. Researchers designed a survey to implement the dichotomous-choice method. They reported the following data: Stated Price (annual payment in dollars) Fraction of Respondents Accepting Stated Price (perecent) 96 5 89 10 80 15 64 20 46 25 30 30 18 35 10 40 4 45 2 50 What is the mean willingness to pay for the sampled population? 7arrow_forward
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