Swollen tonsils that are not painful or do not cause other problems do not need to be treated. Your provider may not give you antibiotics. You may be asked to come back for a checkup later. If tests show you do have strep, your doctor will give you antibiotics.
Stratified Random Sampling. Stratified random sampling is a probabilistic sampling option. The first step in stratified random sampling is to split the population into strata, i.e. sections or segments. The strata are chosen to divide a population into important categories relevant to the research interest.
stratification. n. 1. (Geological Science) the arrangement of sedimentary rocks in distinct layers (strata), each layer representing the sediment deposited over a specific period. 2. the act of stratifying or state of being stratified. 3. (Sociology) sociol See social stratification. [C17 (in the obsolete sense: the act of depositing in layers) and C18 (in the current senses): from New Latin strÄtificÄtiÅnem, from stratificÄre to stratify].