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时间序列综合预测模型中,其变动有正有负,正负可以抵销,故均值为零,其影响消失的变动是( )
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时间序列综合预测模型中,其变动有正有负,正负可以抵销,故均值为零,其影响消失的变动是( )
A、随机变动
B、循环变动
C、季节性变动
D、长期趋势
时间:2021-09-01 20:07
关键词:
联大
信阳师范学院
市场调查与分析
答案解析
A
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时间序列综合预测模型中,其变动有正有负,正负可以抵销,故均值为零,其影响消失的变动是( )
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