The University Hospital Network (UHN) Links to an external site. is interested in learning about the different wait times for elected surgeries. The UHN consists of multiple hospitals (e.g., Toronto General, Princess Margaret, etc.) with multiple departments (e.g., Pediatric, Oncology, etc.). From previous studies the UHN believes that the different hospitals have similar wait times, but the different departments do not. Fill in the blanks of the following two statements.   Statement 1: If the UHN decided to perform cluster sampling it is best to have [ Select ] Princess Margaret oncology hospitals departments be [ Select ] strata clusters systematic sampling list . Statement 2: If the UHN decided to perform stratified sampling it is best to have [ Select ] departments Toronto General hospitals pediatric be strata .多重下拉选择题