Sampling error can be avoided Multiple Choice
by no method under the statistician’s control.
either by using an unbiased estimator or by eliminating nonresponse.
by using an unbiased estimator.
by eliminating nonresponses (e. g., older people).

As manager of kids skids, meghan wants to develop her relationship management skills. in order to do this, she learns how to

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

Is exploiting a distinctive competence or improving efficiency for competitive advantage. (a) cooptation (b) coalition (c) competitive intelligence (d) competitive aggression (e) smoothing