?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F295%2F&rft.title=To+t+or+not+to+t+%3F&rft.creator=%3D%2C+%3D&rft.subject=None%2FOther&rft.description=Consider+an+unknown+distribution+with+a+symmetric+unimodal+density+and+the+induced+location-scale+family.+We+study+confidence+intervals+for+the+location+parameter+based+on+Student's+t-statistic%2C+and+we+conjecture+that+the+uniform+distribution+is+least+favorable+in+that+it+leads+to+confidence+intervals+that+are+largest+given+their+coverage+probability.+This+conjecture+is+supported+by+an+argument+based+on+second+order+asymptotics+in+the+sample+size+and+on+asymptotics+in+the+length+of+the+confidence+interval%2C+and+by+simulation+results.%0D%0A%0D%0AConsequently%2C+our+answer+to+the+question+in+the+title+of+this+paper+is%3A+%22Yes%2C+provided+the+t-statistic+confidence+interval+is+based+on+the+assumption+of+uniformity+of+the+random+variables+generating+the+observations.%22&rft.date=1998&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F295%2F1%2Fklaassen.ps&rft.identifier=++%3D%2C+%3D++(1998)+To+t+or+not+to+t+%3F++%5BStudy+Group+Report%5D+++++