银符考试题库B12
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年 份 | 镀锌钢板消费量(万吨) | 第二产业产值(千亿元) |
1991 | 3.45 | 1.003 |
1992 | 3.5 | 1.119 |
1993 | 4.2 | 1.26 |
1994 | 5.4 | 1.45 |
1995 | 7.1 | 1.527 |
1996 | 7.5 | 1.681 |
1997 | 8.5 | 1.886 |
1998 | 11 | 1.9 |
1999 | 13.45 | 2.028 |
2000 | 15.32 | 2.274 |
年份 |
第二产 业产值 |
镀锌钢板 消费量 |
x×y |
x×x |
y×y |
x-∑x |
y-∑y |
(y-∑y) ×(x-∑x) |
(x-∑x)2 |
(y-∑y)2 |
a-bx |
1991 |
1.00 |
3.45 |
3.46 |
1.01 |
11.90 |
-0.61 |
-4.49 |
2.74 |
0.37 |
20.18 |
2.06 |
1992 |
1.12 |
3.50 |
3.92 |
1.25 |
12.25 |
-0.49 |
-4.44 |
2.19 |
0.24 |
19.73 |
3.18 |
1993 |
1.26 |
4.20 |
5.29 |
1.59 |
17.64 |
-0.35 |
-3.74 |
1.32 |
0.12 |
14.00 |
4.54 |
1994 |
1.45 |
5.40 |
7.83 |
2.10 |
29.16 |
-0.16 |
-2.54 |
0.41 |
0.03 |
6.46 |
6.37 |
1995 |
1.53 |
7.10 |
10.84 |
2.33 |
50.41 |
-0.09 |
-0.84 |
0.07 |
0.01 |
0.71 |
7.11 |
1996 |
1.68 |
7.50 |
12.61 |
2.83 |
56.25 |
0.07 |
-0.44 |
-0.03 |
0.00 |
0.20 |
8.06 |
1997 |
1.89 |
8.50 |
16.03 |
3.56 |
72.25 |
0.27 |
-0.56 |
0.15 |
0.07 |
0.31 |
10.58 |
1998 |
1.90 |
11.00 |
20.90 |
3.61 |
121.00 |
0.29 |
-3.06 |
0.88 |
0.08 |
9.35 |
10.71 |
1999 |
2.03 |
13.45 |
27.28 |
4.11 |
180.90 |
0.42 |
-5.51 |
2.29 |
0.17 |
30.34 |
11.95 |
2000 |
2.27 |
15.32 |
34.84 |
5.17 |
234.70 |
0.66 |
-7.38 |
4.88 |
0.44 |
54.43 |
14.32 |
n | 4 | 8 | 12 | 16 |
(P/A,1%,n) | 3.9020 | 7.6517 | 11.2551 | 14.7179 |
(P/F,1%,n) | 0.9610 | 0.9235 | 0.8874 | 0.8528 |