Medicare Requirements for Home Health Services To qualify for home health services, Medicare beneficiaries must (1) be homebound; (2) need intermittent skilled nursing care or physical, speech, or occupational therapy; (3) be under the care of a physician; and (4) be under a
In research, population is a precise group of people or objects that possesses the characteristic that is questioned in a study. To be able to clearly define the target population, the researcher must identify all the specific qualities that are common to all the people or objects in focus.
We say a statistic T is an estimator of a populationparameter if T is usually close to Î¸. The sample mean is an estimator forthe population mean; the sample variance is an estimator for the populationvariation.Obviously, there are lots of functions of X 1 ,X 2 ,Â·Â·Â·,X n and so lots ofstatistics.