ÌâÄ¿ÄÚÈÝ

ΪÁËÁ˽âijµØĸÇ×Éí¸ßxÓëÅ®¶ùÉí¸ßYµÄÏà¹Ø¹Øϵ£¬Ëæ»ú²âµÃ10¶ÔĸٵÄÉí¸ßÈçϱíËùʾ£º
ĸÇ×Éíx£¨cm£©159160160163159154159158159157
Å®¶ùÉíY£¨cm£©158159160161161155162157162156
¼ÆËãxÓëYµÄÏà¹ØϵÊýr¡Ö0.71£¬Í¨¹ý²é±íµÃrµÄÁÙ½çÖµr0.05=0.632£¬´Ó¶øÓР   µÄ°ÑÎÕÈÏΪxÓëYÖ®¼ä¾ßÓÐÏßÐÔÏà¹Ø¹Øϵ£¬Òò¶øÇó»Ø¹éÖ±Ïß·½³ÌÊÇÓÐÒâÒåµÄ£®Í¨¹ý¼ÆËãµÃµ½»Ø¹éÖ±Ïß·½³ÌΪ¨T34.92+0.78x£¬Òò´Ë£¬µ±Ä¸Ç×µÄÉí¸ßΪ161cmʱ£¬¿ÉÒÔ¹À¼ÆÅ®¶ùµÄÉí¸ß´óÖÂΪ    £®
¡¾´ð°¸¡¿·ÖÎö£º²é¶ÔÁÙ½çÖµ±í£¬¿ÉµÃ½áÂÛ£¬ÀûÓûعéÖ±Ïß·½³Ì£¬´úÈë¼ÆËã¿É¹À¼ÆÅ®¶ùµÄÉí¸ß£®
½â´ð£º½â£º²é¶ÔÁÙ½çÖµ±í£¬ÓÉÁÙ½çÖµr0.05=0.632£¬¿ÉµÃÓÐ95%µÄ°ÑÎÕÈÏΪxÓëYÖ®¼ä¾ßÓÐÏßÐÔÏà¹Ø¹Øϵ£¬
»Ø¹éÖ±Ïß·½³ÌΪ=34.92+0.78x£¬Òò´Ë£¬µ±x=161cmʱ£¬=34.92+0.78x=34.92+0.78×161=161cm
¹Ê´ð°¸Îª£º95%£¬161cm£®
µãÆÀ£º±¾Ì⿼²é¶ÀÁ¢ÐÔ¼ìÑéµÄÓ¦Ó㬿¼²éѧÉúµÄ¼ÆËãÄÜÁ¦£¬ÊôÓÚ»ù´¡Ì⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø