Waiting times (in minutes) of customers in a bank where all customers enter a single waiting line and a bank where customers wait in individual lines at three different teller windows are listed below. find the mean and median for each of the two samples, then compare the two sets of results. single line 6.36.3 6.56.5 6.66.6 6.76.7 7.07.0 7.27.2 7.57.5 7.67.6 7.67.6 7.67.6 individual lines 4.14.1 5.45.4 5.95.9 6.16.1 6.66.6 7.67.6 7.67.6 8.58.5 9.09.0 9.89.8 the mean waiting time for customers in a single line is 7.067.06 minutes. the median waiting time for customers in a single line is 7.17.1 minutes. the mean waiting time for customers in individual lines is 7.067.06 minutes. the median waiting time for customers in individual lines is 7.17.1 minutes. determine whether there is a difference between the two data sets that is not apparent from a comparison of the measures of center. if so, what is it?

What is the most direct result of free trade supplying productive resources to areas where they're most needed? a. enhanced efficiency b. lower interest rates c. increasing specialization d. greater competition 2b2t

Xyz corporation has provided the following data concerning manufacturing overhead for july: actual manufacturing overhead incurred $ 69,000 manufacturing overhead applied to work in process $ 79,000 the company's cost of goods sold was $243,000 prior to closing out its manufacturing overhead account. the company closes out its manufacturing overhead account to cost of goods sold. which of the following statements is true? multiple choice manufacturing overhead was overapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $253,000 manufacturing overhead was underapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $233,000 manufacturing overhead was underapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $253,000 manufacturing overhead was overapplied by $10,000; cost of goods sold after closing out the manufacturing overhead account is $233,000

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?