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3Ô 4Ô 5Ô 6Ô 7Ô 8Ô 9Ô 10Ô 11Ô 12Ô ºÏ¼Æ - - - - 138.42% 147.97% 100.84% 96.32% 85.93% 75.00% - - 83.72% 74.77% 86.62% 116.85% 142.02% 153.57% 112.20% 103.08% 75.47% 67.44% - 92.31% 87.96% 103.94% 113.19% 126.39% - 140.91% - 111.90% - 99.63% - 81.70% - 75.18% - - 85.66% 81.91% 94.65% 115.44% 87.23% 81.55% 95.07% 115.16% 135.61% 147.49% 108.31% 99.68% 81.03% 72.54% 1200.26% 87.21% 81.53% 95.05% 115.14% 135.58% 147.45% 108.29% 99.66% 81.02% 72.53% 1200% iv¼Ó×ܸ÷ÔÂµÄÆ½¾ùÐÞÔȱÈÂÊ£¬Æä×ܺÍӦΪ1200%¡£Èç¹û²»µÈÓÚ1200%£¬ÔòÐèÒªÇóµ÷ÕûϵÊý(1200%¡Â×ÜÆ½¾ùÐÞÔȱÈÂÊ)£¬Óõ÷ÕûϵÊý³ËÉϸ÷ÔÂµÄÆ½¾ùÐÞÔȱÈÂÊ£¬¼´ÎªËùÇóµÄ¼¾½Ú±ÈÂÊ¡£ÓÉÓÚ(75.59% + 100.99% + 87.23% + 81.55% + 95.07% + 115.16% + 135.61% + 147.49% + 108.31% + 99.68% + 81.03% + 72.54%) = 1200.26%¡Ù1200%£¬ÇóÆäµ÷ÕûϵÊý£º1200%¡Â1200.26%¡Ö0.9998£¬ÓÃÕâ¸öϵÊý·Ö±ð³ËÒÔ¸÷ÄêͬÔÂµÄÆ½¾ùÐÞÔȱÈÂʼ´µÃµ÷Õû¼¾½Ú±ÈÂÊ¡£È磺1Ô·ÝΪ75.59% * 0.9998 = 75.57%£»2Ô·ÝΪ100.99% * 0.9998 = 100.97%¡£ÒÀ´ËÀàÍÆ£¬½á¹û¼ûÉÏ±í¡°¼¾½Ú±ÈÂÊ¡±À¸µÄÊý¾Ý¡£

¼ÆËã½á¹û±íÃ÷£¬¸Ã¼¯ÊеÄÈâÖÆÆ·ÏúÊÛÁ¿´æÔÚ×ÅÃ÷ÏԵļ¾½Ú±ä¶¯£¬7Ô·ݡ¢8Ô·ݵļ¾½Ú±ÈÂʸߴï135.58%¡¢147.45%£¬ÊÇÈâÖÆÆ·ÏúÊÛµÄÍú¼¾£»¶ø1Ô·ݡ¢12Ô·ݵļ¾½Ú±ÈÂÊ·Ö±ðÖ»ÓÐ75.57%¡¢72.53%£¬ÊôÓÚµ­¼¾¡£

¢ÚÄâºÏÇ÷ÊÆÏßÇ÷ÊÆÌÞ³ý·¨£º ÕâÖÖ·½·¨µÄ¾ßÌå×ö·¨ÊÇ£º

iÄâºÏÇ÷ÊÆ·½³Ì¡£ÓÉÓÚÔÚÈ·¶¨Ç÷ÊÆ·½³ÌʱӦ³ýÈ¥¼¾½Ú±ä¶¯ÒòËØ£¬ËùÒÔ×îºÃµÄ°ì·¨Êǽ«ÒÔÔ£¨¼¾£©Îªµ¥Î»µÄÊý¾ÝºÏ²¢ÎªÒÔÄêΪµ¥Î»µÄÊý¾Ý£¬È»ºóÔÙÒÔ·Ö¸îÆ½¾ù·¨»ò×îС¶þ³Ë·¨ÄâºÏÖ±Ïß»òÇúÏßÇ÷ÊÆ·½³Ì¡£

Ê×ÏȽ«ÒÔÔÂΪµ¥Î»µÄÏúÊÛÁ¿À©´óΪÒÔÄêΪµ¥Î»µÄÏúÊÛÁ¿£¬È»ºóÓÃ×îС¶þ³Ë·¨ÄâºÏÖ±ÏßÇ÷ÊÆ·½³Ì¡£¼ÆËã¹ý³Ì¼ûÏÂ±í£º Äê·Ý 2006 2007 2008 2009 ºÏ¼Æ t -3 -1 1 3 0 ÏúÊÛÁ¿y 588 669 790 897 2944 t * y -1764 -669 790 2691 1048 t^2 9 1 1 9 20 ½«ÉϱíÊý¾Ý´úÈë±ê×¼·½³Ì×éµÃ£º

a = ¦²y / n = 2944/4 = 736

b = ¦²(y * t) / ¦²t^2 = 1048/20 = 52.4 ¹ÊËùÇóµÄÖ±ÏßÇ÷ÊÆ·½³ÌΪ£º^Yt = 736 + 52.4 * t £¨Ô­µã£º2008Äê1ÔÂ1ÈÕ£¬tµ¥Î»£ºÄ꣩

ii½«ÒÔÄêΪµ¥Î»µÄÇ÷ÊÆ·½³Ì±ä»»ÎªÒÔÔ£¨¼¾£©Îªµ¥Î»£¬²¢½«Ô­µãÒÆ¶¯ÖÁµÚÒ»ÄêµÚÒ»¸öÔ£¨»òµÚÒ»¼¾¶È£©¡£

½«Ç÷ÊÆ·½³ÌµÄÔ­µãÒÆ¶¯µ½2006Äê¡£Ò»°ãÀ´½²£¬ÈôÏòºóÒÆ¶¯d¸öʱÆÚ£¬Ôò½«(t + d)´úÈëÇ÷ÊÆ·½³Ì£»·´Ö®£¬ÈôÏòÇ°ÒÆ¶¯d¸öʱÆÚ£¬ÔòÓ¦½«(t - d)´úÈëÇ÷ÊÆ·½³Ì¡£ËùÒÔ£¬

^Yt = 736 + 52.4 * (t ¨C 2) = 631.2 + 52.4 * t £¨Ô­µã£º2006Äê1ÔÂ1ÈÕ£¬tµ¥Î»£ºÄ꣩

ÔÙ½«ÒÔÄêΪ»ù±¾µ¥Î»µÄÇ÷ÊÆ·½³Ì±ä»»ÎªÒÔÔÂΪ»ù±¾µ¥Î»µÄÇ÷ÊÆ·½³Ì¡£Ò»°ãÀ´Ëµ£¬Èô½«Äê¶È±äΪÔ¶ȣ¬ÐèÒª½«a¡¢b¡¢t¶¼³ýÒÔ12£»Èô½«Äê¶È±äΪ¼¾¶È£¬ÔòÐè³ýÒÔ4¡£ËùÒÔ£º

^Yt = 631.2/12 + 52.4/12 * (t/12) = 52.6 + 0.36 * t £¨Ô­µã£º2006Äê1ÔÂ1ÈÕ£¬tµ¥Î»£ºÔ£©

½«ÒÔÔÂΪµ¥Î»µÄÇ÷ÊÆ·½³ÌÔ­µãÒÆÖÁ2006Äê1Ô·ݣ¨ÒÔ1ÔÂ16ÈÕΪ´ú±í£©£¬¼´ÒÆ»Ø0.5¸öÔ£º

^Yt = 52.6 + 0.36 * (t + 0.5) = 52.78 + 0.36 * t £¨Ô­µã£º2006Äê1ÔÂ16ÈÕ£¬tµ¥Î»£ºÔ£©

iii¸ù¾ÝËùÈ·Á¢µÄÇ÷ÊÆ·½³ÌÈ·¶¨Ã¿Äê¸÷ÔµÄÔÂÇ÷ÊÆÖµ£¨»ò¸÷¼¾¶ÈµÄ¼¾Ç÷ÊÆÖµ£©¡£ ÀûÓõõ½µÄÇ÷ÊÆ·½³Ì^Yt = 52.78 + 0.36 * t¾Í¿ÉÒÔÇó¸÷¸öÔ·ÝÏàÓ¦µÄÇ÷ÊÆÖµ¼°ÐÞÔȱÈÂÊ£¬Æä¼ÆËã½á¹û¼ûÏÂ±í¡°ÔÂÇ÷ÊÆÖµT(^Yt)¡±À¸µÄÊý¾Ý£º

ʱ¼ä t 2006Äê1Ô 2Ô 3Ô 4Ô 5Ô 6Ô 7Ô 8Ô 9Ô 10Ô 0 1 2 3 4 5 6 7 8 9 ÏúÊÛÁ¿y ÔÂÇ÷ÊÆÖµT(^Yt) ÐÞÔȱÈÂÊY/T ƽ¾ùÐÞÔȱÈÂÊ ¼¾½Ú±ÈÂÊ 40 50 41 39 45 53 68 73 50 48 43 52.78 53.14 53.50 53.86 54.22 54.58 54.94 55.30 55.66 56.02 56.38 75.79% 94.09% 76.64% 72.41% 83.00% 97.11% 123.77% 132.01% 89.83% 85.68% 76.27% 74.97% 99.28% 85.27% 80.57% 93.94% 112.96% 133.38% 145.76% 110.38% 100.84% 81.85% 75.38% 99.82% 85.74% 81.01% 94.46% 113.58% 134.12% 146.57% 110.99% 101.40% 82.30% 11Ô 10 12Ô 11 2007Äê1Ô 12 2Ô 13 3Ô 14 4Ô 15 5Ô 16 6Ô 17 7Ô 18 8Ô 19 9Ô 20 10Ô 21 11Ô 22 12Ô 23 2008Äê1Ô 24 2Ô 25 3Ô 26 4Ô 27 5Ô 28 6Ô 29 7Ô 30 8Ô 31 9Ô 32 10Ô 33 11Ô 34 12Ô 35 2009Äê1Ô 36 2Ô 37 3Ô 38 4Ô 39 5Ô 40 6Ô 41 7Ô 42 8Ô 43 9Ô 44 10Ô 45 11Ô 46 12Ô 47 ºÏ¼Æ 38 43 52 45 41 48 65 79 86 64 60 45 41 40 64 58 56 67 74 84 95 76 68 56 52 55 72 62 60 70 86 98 108 87 78 63 58 56.74 57.10 57.46 57.82 58.18 58.54 58.90 59.26 59.62 59.98 60.34 60.70 61.06 61.42 61.78 62.14 62.50 62.86 63.22 63.58 63.94 64.30 64.66 65.02 65.38 65.74 66.10 66.46 66.82 67.18 67.54 67.90 68.26 68.62 68.98 69.34 69.70 66.97% 75.31% 90.50% 77.83% 70.47% 82.00% 110.36% 133.31% 144.25% 106.70% 99.44% 74.14% 67.15% 65.13% 103.59% 93.34% 89.60% 106.59% 117.05% 132.12% 148.58% 118.20% 105.17% 86.13% 79.54% 83.66% 108.93% 93.29% 89.79% 104.20% 127.33% 144.33% 158.22% 126.79% 113.08% 90.86% 83.21% 74.22% 74.63% 1193.42% 1200% ivÇóÐÞÔȱÈÂÊ£¬¼´½«Ã¿Ô£¨¼¾£©µÄʵ¼Ê¹Û²âÖµ³ýÒÔÿÔ£¨¼¾£©Ç÷ÊÆÖµ¡£ Èç2006Äê1ÔµÄÐÞÔȱÈÂÊ = 40 / 52.78 * 100% = 75.79% ¡­¡­

¼ÆËã½á¹û¼ûÉÏ±í¡°ÐÞÔȱÈÂÊY/T(%)¡±À¸µÄÊý¾Ý¡£

vÇó¼¾½Ú±ÈÂÊ£¬¼´¸ù¾ÝÿÔ£¨¼¾£©µÄÐÞÔȱÈÂʼÆËã¸÷Ô£¨¼¾£©µÄƽ¾ù±ÈÂÊ¡£Èç¹û12¸öÔÂµÄÆ½¾ù±ÈÂÊÖ®ºÍµÈÓÚ1200%£¨»ò4¸ö¼¾¶ÈµÄƽ¾ù±ÈÂÊÖ®ºÍµÈÓÚ400%£©Ê±£¬¾ÍËãÍê±Ï¡£Èç¹û²»µÈÓÚ1200%£¨»ò²»µÈÓÚ400%£©Ê±£¬ÔòÐèÒªÀûÓõ÷ÕûϵÊý¼ÓÒÔµ÷Õû¡£

Èç1ÔÂ·ÝµÄÆ½¾ù¼¾½Ú±ÈÂÊ = (75.79% + 75.31% + 65.13% + 83.66%) / 4 = 74.97% ¡­¡­

¼ÆËã½á¹û¼û±í¡°Æ½¾ùÐÞÔȱÈÂÊ¡±À¸

ÏÔÈ»£¬ÀûÓÃÇ÷ÊÆÏßÇóµÃµÄÇ÷ÊÆÖµ²»´æÔÚɥʧÐÅÏ¢µÄÎÊÌ⣬ÓжàÉÙÏîԭʼÊý¾Ý¾ÍÓжàÉÙ¸öÇ÷ÊÆÖµ£¬ÕâÒ²ÕýÊÇÄâºÏÇ÷ÊÆÏßÇ÷ÊÆÌÞ³ý·¨ÓÅÓÚÒÆ¶¯Æ½¾ùÇ÷ÊÆÌÞ³ý·¨µÄµØ·½¡£ÏȽ«ÐÞÔȱÈÂÊÕâÒ»ÐÂʱ¼äÐòÁÐÖØÐÂÕûÀíΪ¼¾½Ú±ÈÂʼÆËã±í£º ÔÂ·Ý 1Ô 2Ô 3Ô 4Ô 5Ô 6Ô 7Ô 8Ô 9Ô 10Ô 11Ô 12Ô ºÏ¼Æ 2006Äê 75.79% 94.09% 76.64% 72.41% 83.00% 97.11% 123.77% 132.01% 89.83% 85.68% 76.27% 66.97% 2007Äê 75.31% 90.50% 77.83% 70.47% 82.00% 110.36% 133.31% 144.25% 106.70% 99.44% 74.14% 67.15% 2008Äê 65.13% 103.59% 93.34% 89.60% 106.59% 117.05% 132.12% 148.58% 118.20% 105.17% 86.13% 79.54% 2009Äê 83.66% 108.93% 93.29% 89.79% 104.20% 127.33% 144.33% 158.22% 126.79% 113.08% 90.86% 83.21% ƽ¾ùÐÞÔȱÈÂÊ 74.97% 99.28% 85.27% 80.57% 93.94% 112.96% 133.38% 145.76% 110.38% 100.84% 81.85% 74.22% 1193.42% ¼¾½Ú±ÈÂÊ 75.38% 99.82% 85.74% 81.01% 94.46% 113.58% 134.12% 146.57% 110.99% 101.40% 82.30% 74.63% 1200% ¼¾½Ú±ÈÂʼÆËã·½·¨ÓëÒÆ¶¯Æ½¾ùÇ÷ÊÆÌÞ³ý·¨Ïà·Â¡£ÓÉÓÚͬÔÂÆ½¾ù±ÈÂÊÖ®ºÍµÈÓÚ1193.42%£¬ÐèÒªÓõ÷ÕûϵÊý1200%/1193.42%¡Ö1.0055À´¼ÓÒÔµ÷Õû£¬µ÷Õû½á¹û¼ûÉÏ±í¡°¼¾½Ú±ÈÂÊ¡±À¸µÄÊý¾Ý¡£

µ÷ÕûϵÊý = 1200%¡Â1193.42% = 1.0055

¾­µ÷Õûºó1Ô·ݵļ¾½Ú±ÈÂÊ = 74.97% * 1.0055 = 75.38% ¡­¡­

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