"obsv" "p" .47 .0278 .58 .0833 .65 .1389 .69 .1944 .72 .25 .74 .3056 .77 .3611 .79 .4167 .8 .4722 .81 .5278 .82 .5833 .84 .6389 .86 .6944 .89 .75 .91 .8056 .95 .8611 1.01 .9167 1.04 .9722