Crossword clues for Statistical tool 5 lettersAnswerClueTTESTStatistical tool invented by a Guinness employeeTTESTStatistical tool first used to monitor the quality of stoutTTESTStatistical toolTTESTStatistical tool for comparing meansTTESTStatistical tool for checking a hypothesisTTESTCommon statistical toolTTESTTool for statistical comparison