Sheet11-3.640.0230562813using t-dist60.0163950718with S.D.=301.60.01222447273.38302604570.0011422670.0026997961with S.D.=24-2.25using z-distfor both we will reject 0.000716918330.270.0333989964using t distusing z dist.50.290858725870.08379332248.0840752549000.02279014220.16758664480.04085872580.96349950631.79282452010.036500493720.05591740258-1.80.0718606382greater than 0.025 we do not reject-3.60.0003182172we reject10S.D.4.949747468390.0639450073we dont rejectchi square test statistic4.900chi- square value corresponding to rejection region7.77944033970.0319725036we reject