About 5% of home healthcare agencies show potential signs of fraud. More than 500 home healthcare agenciesâabout 5% of the totalâand 4,500 doctors across the country share characteristics that often point to home healthcare fraud, according to a report released by HHS' Office of Inspector General on Wednesday.
Statistics is a broad mathematical discipline which studies ways to collect, summarize, and draw conclusions from data. It is applicable to a wide variety of academic fields from the physical and social sciences to the humanities, as well as to business, government and industry.
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.