本文目录一览:
- 1、频次是指单位时间内发生的次数,那么频次/总次数叫什么,还有频次和频数什么区别
- 2、频次是什么意思
- 3、频次是什么意思?
- 4、作业频次是什么意思
- 5、社会统计学中的频次和频率区别是什么?
频次是指单位时间内发生的次数,那么频次/总次数叫什么,还有频次和频数什么区别
频数(Frequency)又称“次数”。指变量值中代表某种特征的数(标志值)出现的次数。按分组依次排列的频数构成频数数列,用来说明各组标志值对全体标志值所起作用的强度。各组频数的总和等于总体的全部单位数。频数的表示 *** ,既可以用表的形式,也可以用图形的形式。
频次是什么意思
频次意思为频率和次数。出自《前汉书平话》卷下:“不能饮酒,频次罚水。”频率是事件的发生率,频数是事件的实际发生次数,总次数是总事件数,频率=频数/总次数。
示例:
1、一些伟大演讲人做手势的频次高于平均数。
2、艾鼬对食物具有选择性,各种鼠类在食物中出现的频次同该地区相应的鼠类密度存在差异。
3、温度异常偏低出现频次则呈明显的线性下降趋势,1988年以来是广西月平均温度异常偏低的少发期。
频次是什么意思?
指某事物在一定时间、一定范围内重复出现的次数。
频次,读音是pín cì,汉语词语,意思为频率和次数。
出处:《前汉书平话》卷下:“不能饮酒,频次罚水。”
相关词语:频率
频率是单位时间内完成周期性变化的次数,是描述周期运动频繁程度的量,常用符号f或ν表示,单位为秒分之一,符号为s-1。为了纪念德国物理学家赫兹的贡献,人们把频率的单位命名为赫兹,简称“赫”,符号为Hz。每个物体都有由它本身性质决定的与振幅无关的频率,叫做固有频率。
频率概念不仅在力学、光学中应用,在量子力学、电磁学与无线电技术中也常使用。
作业频次是什么意思
指某事物在一定时间、一定范围内重复出现的次数。
频次是汉语词语,意思为频率和次数,出处:《前汉书平话》卷下:“不能饮酒,频次罚水。”
相关词语:频率;频率是单位时间内完成周期性变化的次数,是描述周期运动频繁程度的量。
社会统计学中的频次和频率区别是什么?
频次是指单位时间内出现的次数.频次越多,表示出现越频繁.
频率是指两次出现的时间间隔的倒数.
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