In a psychology journal, researchers reported that a chief executive officer's facial structure can be used to predict a firm's financial performance. The study involved measuring the facial width-to-height ratio (WHR) for each in a sample of 40 CEOs at publicly traded Fortune 500 firms. These WHR values determined by computer anah zing a photo of the CEO's face had a mean of x= 1.96 and a standard deviation of s= 0.17.
Find and interpret a 90% confidence interval for ?, the mean facial WHR for all CEOs at publicly traded Fortune 500 firms (Round to three decimal places as needed.)
Answers: 1
Business, 22.06.2019 08:00
Companies in the u.s. car rental market vary greatly in terms of the size of the fleet, the number of locations, and annual revenue. in 2011 hertz had 320,000 cars in service and annual revenue of approximately $4.2 billion. the following data show the number of cars in service (1000s) and the annual revenue ($ millions) for six smaller car rental companies (auto rental news website, august 7, 2012). excel file: data14-09.xls if required, enter negative values as negative numbers. a. select a scatter diagram with the number of cars in service as the independent variable. b. what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? c. use the least squares method to develop the estimated regression equation (to 3 decimals). ŷ = + x d. for every additional car placed in service, estimate how much annual revenue will change. by $ e. fox rent a car has 11,000 cars in service. use the estimated regression equation developed in part (c) to predict annual revenue for fox rent a car. round your answer to nearest whole value. $ million hide feedback partially correct
Answers: 1
Business, 22.06.2019 16:50
Identify and describe a variety of performance rating scales that can be used in organizations including graphical scales, letter scales, and numeric scales.
Answers: 2
Business, 22.06.2019 22:10
Which of the following is usually not one of the top considerations in choosing a country for a facility location? a. availability of labor and labor productivityb. attitude of governmental unitsc. location of marketsd. zoning regulationse. exchange rates
Answers: 1
Business, 22.06.2019 23:30
Mystic bottling company bottles popular beverages in the bottling department. the beverages are produced by blending concentrate with water and sugar. the concentrate is purchased from a concentrate producer. the concentrate producer sets higher prices for the more popular concentrate flavors. a simplified bottling department cost of production report separating the cost of bottling the four flavors follows:
Answers: 3
In a psychology journal, researchers reported that a chief executive officer's facial structure can...
Computers and Technology, 28.07.2021 16:30
Mathematics, 28.07.2021 16:30
Physics, 28.07.2021 16:30
Arts, 28.07.2021 16:30
English, 28.07.2021 16:30
Mathematics, 28.07.2021 16:30
Biology, 28.07.2021 16:30
Computers and Technology, 28.07.2021 16:30
History, 28.07.2021 16:30
Mathematics, 28.07.2021 16:30
Advanced Placement (AP), 28.07.2021 16:30
Mathematics, 28.07.2021 16:30
Physics, 28.07.2021 16:30
Mathematics, 28.07.2021 16:30