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应用回归函数进行回归分析1

2023-03-24 来源:好走旅游网
应用回归函数进行回归分析地区销售额Y广告费用X

156004502520040033200200442003305475038064400350738502908590048094000295103100180113250210124500360132800150145800470153300250164050300174050500185750460m8.125181

b1583.446可决系数0.798057

y=8.1251x+1583.446

时间游客量

1979291.581980318.751981326.971982361.92450.00 1983359.73400.00 1984381.631985405.09

350.00 300.00 250.00 200.00 150.00 100.00 50.00 0.00 b17.82321197a

-34976.20.96794

1979291.581980318.751981326.971982361.921983359.731984381.631985405.091982349.389-3-57.803341.0054-2-30.63938.28441-1-22.41502.27210012.54157.21581110.35107.09294232.251039.979

355.71

3103.445

173.4043

61.2628622.41143

0

10.3485764.49714167.1257

499.05

28

-34976.2295.9118420.6743438.4975

9189.286

17.82321游客量00 00 00 00 00 游客量00 00 00 00 00 1978 1980 1982 1984 1986 257300507.24750.983839

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