**TI83F* u dTDIFMNCIdbá?Þ*X)SAMPLE)SIZE*?ÜP?Þ*XBAR*?ÜX?Þ*X)SAMPLE)DEV:*?ÜS?Þ*Y)SAMPLE)SIZE*?ÜQ?Þ*YBAR*?ÜY?Þ*Y)SAMPLE)DEV:*?ÜT?Þ*CONF:)LEVEL*?ÜR?Þ*POOLED¯*?ÜZ?ÎZj1?Ï?PpQq2N?¼Pq1S pQq1T ƒN¼1ƒPp1ƒQD?Ð?±S ƒPpT ƒQ ƒS ƒP ƒPq1pT ƒQ ƒQq1N?¼S ƒPpT ƒQD?Ô?*»0+X+N*^?"^qRƒ2+X+2B?B‚DE?á?Þ*DIFF+ERROR*?ÞXqY+4?ÞE+4?Þ*CONF:INTERVAL*?ÞXqYqE+4?ÞXqYpE+4Äo