Atrack coach wants to test the effectiveness of a new training program for distance runners. he selects his two fastest runners and, using a coin flip, randomly chooses one to participate in the new program. the other will continue with the standard training regimen. he then picks the next two fastest runners and randomly assigns one to each program. he repeats this process with all his runners, choosing the two fastest remaining each time. he then compares race times within each group of two runners. what is the name for this kind of experimental design?

Harris fabrics computes its predetermined overhead rate annually on the basis of direct labor-hours. at the beginning of the year, it estimated that 34,000 direct labor-hours would be required for the period’s estimated level of production. the company also estimated $599,000 of fixed manufacturing overhead expenses for the coming period and variable manufacturing overhead of $3.00 per direct labor-hour. harris's actual manufacturing overhead for the year was $768,234 and its actual total direct labor was 34,500 hours.required: compute the company's predetermined overhead rate for the year. (round your answer to 2 decimal places.)