Developing a questionnaire is considered "part art and part science." Which of the following is a good practice for questionnaire creation? a. Questions are better when they are open to multiple interpretations.
b. Layout of the questionnaire should test the respondent's ability follow instructions.
c. Questions should be designed to address a specific set of research questions.
d. The questions should use hard-to-understand language.

The following cost data pertain to the operations of montgomery department stores, inc., for the month of july. corporate legal office salaries $ 75,300apparel department cost of sales"evendale store $ 97,200corporate headquarters building lease $ 50,300store manager's salary"evendale store $ 12,900apparel department sales commission"evendale store $ 11,550store utilities"evendale store $ 12,800apparel department manager's salary"evendale store $ 10,450central warehouse lease cost $ 18,600janitorial costs"evendale store $ 11,800 the evendale store is just one of many stores owned and operated by the company. the apparel department is one of many departments at the evendale store. the central warehouse serves all of the company's stores. required: 1. what is the total amount of the costs listed above that are direct costs of the apparel department? 2. what is the total amount of the costs listed above that are direct costs of the evendale store? 3. what is the total amount of the apparel department's direct costs that are also variable costs with respect to total departmental sales?

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

Choose the statement that is incorrect. a. search activity occurs only in markets where there is a shortage. b. when a price is regulated and there is a shortage, search activity increases. c. the time spent looking for someone with whom to do business is called search activity. d. the opportunity cost of a good is equal to its price plus the value of the search time spent finding the good.