设某一时间数列共有n项观察值,用水平法计算平均发展速度时,开方次数应为___
n-1
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/522106.html
上一篇:对0~3岁的儿童玩具消费者进行调查适宜采用()
下一篇:Passage2Cheating was, is and probably always will be a fact of life.Recently, technology has provided new ways to cheat, but advanced electronics can't be blamed for our increasing willingness to tolerate it.Once upon a time, being an honor