The housekeeping services department of ruger clinic, a multispecialty practice in toledo, ohio, had $100,000 in direct costs during 2015. these costs must be allocated to ruger's three revenue-producing patient services departments using the direct method. two cost drivers are under consideration: patient services revenue and hours of housekeeping services used. the patient services departments generated $5 million in total revenues during

Penny poodle wanted to know which dog obedience training program was more effective: puppy pride, the approach she has been using for any years, or doggie do-right, a new approach. penny convinced 50 human companions of untrained dogs to participate in her study. the dogs and their humans were randomly assigned to complete the puppy pride or doggie do-right course. at the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). the design of this study is: