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...International journal of scientific and innovative mathematical research ijsimr volume issue december pp issn x print online www arcjournals org the importance statistical tools in work dr kousar jaha begum azeez ahmed lecturer statistics principal department vimat mba college chittoor pvkn andhra pradesh india yahoo com armanchisty gmail abstract is a wide subject useful l almost all disciplines especially studies each every researcher should have some knowledge must use his or her one know about how to them their survey quality assurance be dealt with operations necessary control verify analytical procedures as well resulting data making mistakes unavoidable this reason why multitude different required simple complicated often very specific for certain purposes most important common operation comparison sets quantify accuracy bias precision fortunately few convenient information needed regular laboratory can obtained t test f regression analysis clearly are tool not an aim inspection...