Which pair of variables can't be represented on a scatter plot? . a: the total number of hours a group of employees works and the number of employees. b: the heights and weights of a company's employees. c: the hemoglobin levels and blood types of patients in a hospital. d: the hours spent watching tv and the hours spent working on a laptop.

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.

The recognition of which of the following expenses exemplifies the application of matching expenses with the revenues they produced? multiple choice(a) cost of goods sold. (b) advertising.(c) president's salary.(d) research and development.

At the end of the fiscal year, apha airlines has an outstanding non-cancellable purchase commitment for the purchase of 1 million gallons of jet fuel at a price of $4.10 per gallon for delivery during the coming summer. the company prices its inventory at the lower of cost or market. if the market price for jet fuel at the end of the year is $4.50, how would this situation be reflected in the annual financial statements?