应用统计学计算题?统计学试题计算题库及答案 - 百度文库 ر

ƽٶ = 137.66% 100% = 37.64%

Ʋⶨ

1. »ӡˢ19902004±ʾ

λԪ wordĵɸƱ༭

1990 1991 1992 1993 1994 54 47 54 103 170 1995 1996 1997 1998 1999 152 142 175 182 159 2000 2001 2002 2003 2004 187 213 256 273 292 ƶƽԸʱнȣԷӳijƣעֱƶƽ

⣺ 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Y 1 54 47 54 103 170 152 142 175 182 159 187 213 256 273 292 425 464 469 499 516 528 559 656 742 821 ƶ ܺ 2 155 204 327 141.67 154.67 156.33 166.33 172 176 186.33 218.67 247.33 273.67 ƶ ƽ (3)=(2)3 51.67 68 109 ƶ ܺ (4) 258 374 479 567 639 651 658 703 741 815 929 1034 ƶ ƽ (5)=(4)4 64.5 93.5 119.75 141.75 159.75 162.75 164.5 175.75 185.25 203.75 232.25 258.5 ƽ (6) 79 106.63 130.75 150.75 161.25 163.63 170.13 180.5 194.5 218 245.38

2. ݵ1ϣСƽֱƷ̣Ԥ»ӡˢ20052006 ⣺

wordĵɸƱ༭

b?n?tY?(?t)(?Y)n?t2?(?t)2?15?24249?120?2459?16.3515?1240?1202

a?Y?bt?2459120?16.35??3313.1515.?16.35t ֱƷΪYc?3313 2005Ԥֵ = 33.13?16.35?16?294.73Ԫ

2006Ԥֵ = 33.13?16.35?17?311.08Ԫ 3. ijҵ20012004ȵIJֵϼ±

λԪ 2001 2002 2003 2004 1 673 803 970 1074 2 805 912 1135 1401 3 753 876 1128 1062 4 805 931 1185 1257 ȫϼ 3036 3522 4418 4794 Էֱüƽƶƽ޳󼾽ָ ⣺

1 üƽ㼾ָ 1 2001 2002 2003 2004 ϼ ƽ ڱ(%) 2001 2002 1 2 3 4 1 2 3 673 803 970 1074 3520 880 89.28 2 805 912 1135 1401 4253 1063.3 107.88 3 753 876 1128 1062 3819 954.8 96.87 4 805 931 1185 1257 4178 1044.5 105.97 ƶ ƽ MA (3) 775.3 804.9 833.7 864.8 901.4 ȫϼ 3036 3522 4418 4794 15770 3942.5 400.00 Y?MA (%) (4)=(1)?(3) 97.12 100.01 96.32 105.46 97.18 ƽ 759 880.5 1104.5 1198.5 985.63 һ 2 ƶƽ޳㼾ָ ֵ ԪY (1) 673 805 753 805 803 912 876 ƶ ƽ (2) 759 791.5 818.3 849 880.5 922.3 wordĵɸƱ༭

2003 2004 4 1 2 3 4 1 2 3 4 931 970 1135 1128 1185 1074 1401 1062 1257 1 96.32 96.09 90.34 282.75 94.25 93.72 978 1041 1104.5 1130.5 1197 1180.5 1198.5 2 105.46 105.80 117.78 329.04 109.68 109.06 950.2 1009.5 1072.8 1117.5 1163.8 1188.8 1189.5 3 97.12 97.18 100.94 295.24 98.41 97.85 4 97.98 96.09 105.80 100.94 101.82 90.34 117.78 ϼ 402.28 400.00 2001 2002 2003 2004 ϼ ƽ ڱ(%) 100.01 97.98 101.82 299.81 99.94 99.37 ϵļ㿴üƽƶƽ޳ļָ𣬶ƶƽ޳ļΪ׼ȷҵĸ߷壬ļȺȴ֮һĵ

4. ݵ3ϣʣ෨ѭ䶯ָͲ䶯ָ ⣺

ʣ෨ѭ䶯ָ5Ͳ䶯ָ6 ֵ ڱ ѭ ѭ䶯 S (%) Ԫ ָ ָ ָ T CI% C% I% Y?T?S?C?I (1) 673 805 753 805 803 912 876 931 970 1135 (2) 699.81 737.86 775.91 813.96 852.01 890.06 928.11 966.16 1004.21 1042.26 (3) 93.72 109.06 97.85 99.37 93.72 109.06 97.85 99.37 93.72 109.06 (4)=(1) / (2).(3) 102.61 100.04 99.18 99.53 100.56 93.95 96.46 96.97 103.07 99.85 (5) 100.61 99.58 99.76 98.01 96.99 95.79 98.83 99.96 103.21 6 99.43346 99.59831 99.76945 102.6018 96.86566 100.6994 98.11798 103.1112 96.7445 ֵ Ԫ 2001 2002 2003 1 2 3 4 1 2 3 4 1 2 wordĵɸƱ༭