The following data represents the number of unique visitors and the revenue a website generated for the months of July through December. Unique Visitors Revenue July 26 2.2 August 18 3.4 September 14 6.2 October 22 8.6 November 55 5.6 December 75 5.8 a. What is the sample standard deviation for the number of unique visitors and the revenue?. b. Comment on the strength of the linear relationship.

The manager of a branch office of banco mexicali observed that during peak hours an average of 20 customers arrives per hour and that there is an average of 6 customers in the branch office at any time. how long does the average customer spend waiting in line and being serviced?

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?

The uno company was formed on january 2, year 1, to sell a single product. over a 2-year period, uno’s acquisition costs have increased steadily. physical quantities held in inventory were equal to 3 months’ sales at december 31, year 1, and zero at december 31, year 2. assuming the periodic inventory system, the inventory cost method which reports the highest amount for each of the following is inventory december 31, year 1/ cost of sales year 2 a: lifo fifo b: lifo lifo c: fifo fifo d: fifo lifo