We can then compare the sample mean we select to the. population mean stated in the article. Hypothesis testing or significance testing is a method for testing a claim or. hypothesis about a parameter in a population, using data measured in a. sample. In this method, we test some hypothesis by determining the.
For general discussion of the concept and other implementations, see Distributed file system. Distributed file System (DFS) is a set of client and server services that allow an organization using Microsoft Windows servers to organize many distributed SMB file shares into a distributed file system.
A direct-access storage device ( DASD ) pronounced ) is a secondary storage device in which each physical record has a discrete location and a unique address. IBM developed DASDs for use with mainframe computers and some minicomputers . Disk drives , magnetic drums , data cells and optical disc drives are all classified as DASDs.