å ±åæ£ã¯ï¼ ãXXX ã®åå·® à YYY ã®åå·®ãã®å¹³å ã§å®ç¾©ããã¾ãã â»åå·®ã¨ã¯å¹³åã¨ã®å·®ã®ãã¨ã§ãã å®ç¾©ã ãã§ã¯å ±åæ£ã®æå³ã¯åããã«ããã®ã§ï¼ç°¡åãªå ·ä½ä¾ã§è¨ç®ãã¦ã¿ã¾ãã 555 人ã§ãã¹ããåãããã¼ã¿ãèããã X:X:X: å½èªã®ç¹æ°ï¼YYY :æ°å¦ã®ç¹æ°ã åã ã®ç¹æ°ã¯ï¼(50,50),(50,70),(80,60),(70,90),(90,100)(50,50),(50,70),(80,60),(70,90),(90,100)(50,50),(50,70),(80,60),(70,90),(90,100) ãã®ã¨ãã®å ±åæ£ãè¨ç®ãã¦ã¿ã¾ãããã ã¾ãï¼å½èªã®å¹³åç¹ Î¼X\mu_XμXâ ã¯ï¼ μX=15(50+50+80+70+90)=68 \mu_X=\dfrac{1}{5} (50+50+80+70+90)=68 μXâ=51â(50+50+80+70+90)=

{{#tags}}- {{label}}
{{/tags}}