题目内容:
某企业利润总额的历史资料如下表所示:期数 | 利润总额Y | 增长值△Yt | 理论值Yt+1 |
1 | 60 | ||
2 | 64.5 | 4.5 | |
3 | 69 | 4.5 | 69 |
4 | 74 | 5 | 73.5 |
5 | 78.5 | 4.5 | 78.7 |
6 | 83.5 | 5 | 83.1 |
7 | 88 | 4.5 | 88.2 |
B.92.9
C.92.7
D.73.9
参考答案:
答案解析:
期数 | 利润总额Y | 增长值△Yt | 理论值Yt+1 |
1 | 60 | ||
2 | 64.5 | 4.5 | |
3 | 69 | 4.5 | 69 |
4 | 74 | 5 | 73.5 |
5 | 78.5 | 4.5 | 78.7 |
6 | 83.5 | 5 | 83.1 |
7 | 88 | 4.5 | 88.2 |