一道社会经济统计学原理的试题 要解答的详细步骤

2025-01-02 06:14:20
推荐回答(1个)
回答1:

(1):
甲:(800-300)\(1994-1980)
=500\14
=35.714285714285715(万元)
乙:(1500-500)\(1994-1980)
=1000\14
=71.42857142857143(万元)
(2):
(1500-800)\35.714285714285715
=700\35.714285714285715
=19.599999999999998(年)
(3):
(1500-800)\5-35.714285714285715
=700\5-35.714285714285715
=140-35.714285714285715
=104.28571428574128(元)