¡¶Í³¼ÆÑ§Ô­Àí¡·Á·Ï°Ìâ ÏÂÔØ±¾ÎÄ

µÚ°ËÕ »Ø¹é·ÖÎö

°à¼¶ ÐÕÃû ѧºÅ Ò»¡¢µ¥ÏîÑ¡ÔñÌâ

1.ÏÂÃæ¹ØÏµÖв»ÊÇÏà¹Ø¹ØÏµµÄÊÇ£¨ £©

A.Éí¸ßÓëÌåÖØÖ®¼äµÄ¹ØÏµ B.¹¤×ÊˮƽÓ빤ÁäÖ®¼äµÄ¹ØÏµ C.Å©×÷Îïµ¥Î»Ãæ»ý²úÁ¿Óë½µÓêÁ¿µÄ¹ØÏµ D.Ô²µÄÃæ»ýÓë°ë¾¶Ö®¼äµÄ¹ØÏµ 2.Èç¹û±äÁ¿Ö®¼äµÄ¹ØÏµ½üËÆµØ±íÏÖΪһÌõÖ±Ïߣ¬Ôò³ÆÕâÁ½¸ö±äÁ¿Ö®¼äΪ£¨ £© A.ÕýÏßÐÔÏà¹Ø¹ØÏµ B.¸ºÏßÐÔÏà¹Ø¹ØÏµ C.ÏßÐÔÏà¹Ø¹ØÏµ D.·ÇÏßÐÔÏà¹Ø¹ØÏµ 3.ÏÂÃæ¹ØÓÚÏà¹ØÏµÊýµÄ³ÂÊöÖУ¬ÄÄÒ»¸öÊÇ´íÎóµÄ£¿£¨ £© A.ÊýÖµÔ½´ó˵Ã÷Á½¸ö±äÁ¿Ö®¼äµÄ¹ØÏµÔ½Ç¿

B.½ö½öÊÇÁ½¸ö±äÁ¿Ö®¼äÏßÐÔ¹ØÏµµÄÒ»¸ö¶ÈÁ¿£¬²»ÄÜÓÃÓÚÃèÊö·ÇÏßÐÔ¹ØÏµ C.²»Ò»¶¨Òâζ×ÅÁ½¸ö±äÁ¿Ö®¼äÒ»¶¨ÓÐÒò¹û¹ØÏµ D.¾ø¶ÔÖµ²»»á´óÓÚ1

4.Èç¹ûÏà¹ØÏµÊýr = 0£¬Ôò±íÃ÷Á½¸ö±äÁ¿Ö®¼ä£¨ £© A.Ïà¹Ø³Ì¶ÈºÜµÍ B.²»´æÔÚÈκιØÏµ C.²»´æÔÚÏßÐÔÏà¹Ø¹ØÏµ D.´æÔÚ·ÇÏßÐÔÏà¹Ø¹ØÏµ

5.½«Ò»Ã¶Ó²±ÒÖØ¸´Í¶ÖÀn´Î£¬ÓÃxºÍy·Ö±ð±íʾÕýÃæ³¯ÉϺ͸ºÃ泯ÉϵĴÎÊý£¬ÔòxºÍyµÄÏà¹ØÏµÊýΪ£¨ £©[¶«±±²Æ´ó2004ÑÐ]

A.-1 B.0 C.0.5 D.1 6.ÔڻعéÄ£ÐÍy?b0?b1x?uÖУ¬Ëæ»úÎó²îÏîu·´Ó³µÄÊÇ£¨ £© A.ÓÉÓÚxµÄ±ä»¯ÒýÆðµÄyµÄÏßÐԱ仯²¿·Ö B.ÓÉÓÚyµÄ±ä»¯ÒýÆðµÄxµÄÏßÐԱ仯²¿·Ö C.³ýxºÍyµÄÏßÐÔ¹ØÏµÖ®ÍâµÄËæ»úÒòËØ¶ÔyµÄÓ°Ïì D.ÓÉÓÚxºÍyµÄÏßÐÔ¹ØÏµ¶ÔyµÄÓ°Ïì

7.ÏÂÁÐÖ±Ï߻ع鷽³ÌÓëÏà¹ØÏµÊý²»Æ¥ÅäµÄÊÇ£¨ £©

y?0.9?0.5x£¬r?0.9 B.?y??0.9?0.5x£¬r?0.9 A.?y??0.9?0.5x£¬r??0.9 D.?y?2?0.5x£¬r?0.9 C.?8.¹À¼Æ±ê×¼Îó²î˵Ã÷»Ø¹éÖ±ÏߵĴú±íÐÔ£¬Òò´Ë£¨ £©[Î÷°²½»´ó2008ÑÐ] A.¹À¼Æ±ê×¼Îó²îÊýÖµÔ½´ó£¬ËµÃ÷»Ø¹éÖ±ÏߵĴú±íÐÔÔ½´ó

25

B.¹À¼Æ±ê×¼Îó²îÊýÖµÔ½´ó£¬ËµÃ÷»Ø¹éÖ±ÏߵĴú±íÐÔԽС C.¹À¼Æ±ê×¼Îó²îÊýֵԽС£¬ËµÃ÷»Ø¹éÖ±ÏߵĴú±íÐÔԽС D.¹À¼Æ±ê×¼Îó²îÊýֵԽС£¬ËµÃ÷»Ø¹éÖ±ÏßµÄʵÓüÛֵС

9.ÒÑ֪ijһֱÏ߻ع鷽³ÌµÄÅж¨ÏµÊýΪ0.81£¬Ôò×Ô±äÁ¿ÓëÒò±äÁ¿Ö®¼äµÄÏà¹ØÏµÊýΪ£¨ £©

A.¡À0.41 B.¡À0.81 C.¡À0.90 D.¡À0.95

10.¶ÔÓÚÒ»ÔªÏßÐԻعéÄ£ÐÍ£¬ÒÔse±íʾ¹À¼Æ±ê×¼Îó²î£¬r±íʾÑù±¾Ïà¹ØÏµÊý£¬ÔòÓУ¨ £© A. se=0ʱ£¬r=1 B. se=0ʱ£¬r=-1 C. se=0ʱ£¬r=0 D.se=0ʱ£¬r=1»òr=-1 11.Ó¦ÓÃijÊÐ1979¡ª2010ÄêÈ˾ù¿ÉÖ§ÅäÊÕÈëÓëÈ˾ùÏû·ÑÖ§³öµÄÊý¾Ý×ÊÁϽ¨Á¢µÄÒ»ÔªÏßÐÔÏû·Ñº¯Êý£¬¹À¼Æ½á¹ûµÃµ½Åж¨ÏµÊýR2=0.99£¬×ÜÀë²îƽ·½ºÍTSS = 480£¬ÔòËæ»úÎó²îÏîuµÄ±ê×¼²î¹À¼ÆÖµÎª£¨ £©

A. 3.980 B. 3.854 C. 0.4 D. 0.38

12.ÓÃÒ»×é20¸öÑù±¾¹Û²âÖµ¹À¼ÆÄ£ÐÍy?b0?b1x?u£¬ÔÚ0.05µÄÏÔÖøÐÔˮƽ϶Ôb1µÄÏÔÖøÐÔ×÷t¼ìÑ飬Ôòb1ÏÔÖø²»µÈÓÚÁãµÄÌõ¼þÊÇͳ¼ÆÁ¿tµÄ¾ø¶ÔÖµ´óÓÚ£¨ £©

A.t0.05(20) B.t0.025(20) C.t0.05(18) D.t0.025(18)

13.ÏÂÁйØÓÚÒ»ÔªÏßÐԻعéÄ£ÐÍÖÐÄ³ÌØ¶¨×Ô±äÁ¿x0¶ÔÓ¦µÄÒò±äÁ¿Æ½¾ùÖµE(y0)µÄÖÃÐÅÇø¼äºÍ¸ö±ðÖµy0µÄÔ¤²âÇø¼äµÄ˵·¨£¬ÕýÈ·µÄÊÇ£¨ £©

A.x0Ô½Ô¶ÀëÆä¾ùÖµ£¬Ô¤²âÇø¼äÔ½Õ­ B.Ñù±¾ÈÝÁ¿Ô½´ó£¬Ô¤²â¾«¶ÈÔ½¸ß C.Ñù±¾ÈÝÁ¿Ô½´ó£¬Ô¤²â¾«¶ÈÔ½µÍ

D.Ñù±¾ÈÝÁ¿Ò»¶¨Ê±£¬Æ½¾ùÖµµÄÖÃÐÅÇø¼ä±È¸ö±ðÖµµÄÔ¤²âÇø¼ä¿í

14.ÀûÓÃÑù±¾ÈÝÁ¿Îª25µÄÒ»×éÑù±¾½¨Á¢µÄÈýÔªÏßÐԻعéÄ£ÐÍÖУ¬¼ÆËãµÄÅж¨ÏµÊýΪ0.86£¬Ôòµ÷ÕûºóµÄÅж¨ÏµÊýΪ£¨ £©

A.0.8 B.0.86 C.0.84 D.0.9

15.ÓÃÒ»×é20¸öÑù±¾¹Û²âÖµ¹À¼ÆÄ£ÐÍy?b0?b1x1?b2x2?u£¬ÔÚ0.05µÄÏÔÖøÐÔˮƽ϶Իع鷽³ÌµÄÕûÌåÏÔÖøÐÔ×÷F¼ìÑ飬Ôò»Ø¹é·½³ÌÕûÌåÏÔÖøµÄÌõ¼þÊÇͳ¼ÆÁ¿F´óÓÚ£¨ £©

A.F0.05(2,20) B.F0.025(2,20) C.F0.05(2,17) D.F0.025(2,17) ¶þ¡¢¼ÆËãÌâ

1.ÉèÈ˾ùÊÕÈëxΪ×Ô±äÁ¿£¬È˾ùÏû·ÑyΪÒò±äÁ¿¡£ÏÖ¸ù¾ÝijµØ12¸öס»§µÄÓйØ×ÊÁϼÆËã³öÒÔÏÂÊý¾Ý£º£¨µ¥Î»£ºÔª£©

26

?(x?x)2?425053.73£¬?(y?y)2?262855.25

?(x?x)(y?y)?334229.09£¬x?647.88£¬y?549.8

£¨1£©ÄâºÏ¼òµ¥ÏßÐԻع鷽³Ì£¬²¢½âÊÍ·½³ÌÖлعéϵÊýµÄ¾­¼ÃÒâÒ壻 £¨2£©¼ÆËãÅж¨ÏµÊýºÍ»Ø¹é¹À¼ÆµÄ±ê×¼Îó²î£¬²¢×÷¼òµ¥ÆÀÎö£»

£¨3£©¶ÔxµÄ»Ø¹éϵÊý½øÐÐÏÔÖøÐÔ¼ìÑ飨ÏÔÖøÐÔˮƽΪ0.05£¬t0.025(10)?2.228£© £¨4£©¼Ù¶¨È˾ùÊÕÈëΪ800Ôª£¬ÀûÓÃÄâºÏµÄ»Ø¹é·½³ÌÔ¤²âÏàÓ¦µÄÈ˾ùÏû·Ñˮƽ¡£²¢¸ø³öÖÃÐŶÈΪ95%µÄÔ¤²âÇø¼ä¡£[ÖÐÄϲƴó2004ÑÐ]

2.Ñо¿ÈËԱͨ¹ýËæ»úµ÷²éÈ¡µÃÁË50Ãû´ÓÒµÈËÔ±µÄÔÂÊÕÈëºÍÔÂÏû·ÑÖ§³öµÄÊý¾Ý¡£ÓÃExcel½øÐлعé·ÖÎö£¨Ö§³öΪÒò±äÁ¿£¬ÊÕÈëΪ×Ô±äÁ¿£©²¿·Ö½á¹ûÈç±í1ºÍ±í2Ëùʾ¡£

±í1 »Ø¹éͳ¼Æ

R Square Adjuested R Square

±ê×¼Îó²î ¹Û²âÖµ

27

0.9188 0.9171 229.1852 50

±í2

Intercept ÊÕÈë Coefficents 191.91 0.62 ±ê×¼Îó²î 82.04 0.03 t Stat 2.34 23.30 P-value 0.0235 0.0000 £¨1£©¼ÆËãÊÕÈëºÍÖ§³öµÄÏà¹ØÏµÊý£»

£¨2£©¸ù¾Ý±¾ÌâµÄ¾­¼ÃÒâÒ壬¶ÔÊÕÈë½øÐÐt¼ìÑéʱӦ¸Ã½øÐе¥²à¼ìÑ黹ÊÇË«²à¼ìÑ飿д³öÔ­¼ÙÉèºÍ±¸Ôñ¼ÙÉè¡£¸ù¾ÝExcelµÄ¼ÆËã½á¹û£¬Èç¹û??0.01£¬¼ìÑéµÄ½áÂÛÈçºÎ£¿

£¨3£©Ð´³ö»Ø¹é·½³ÌµÄ±í´ïʽ£¬ËµÃ÷»Ø¹éϵÊýµÄº¬Ò壬²¢¼ÆËãÔÂÊÕÈëΪ3000ԪʱµÄƽ¾ùÖ§³ö¡£[ÖÐÑë²Æ´ó2009ÑÐ]

28