有限数学 示例 频数分布

求频数分布表的累积频率

解题步骤 1
数据组的累积频率为该组和所有先前的组中数据元素的个数。
解题步骤 2
化简累计频率列。
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频数分布

Finding the Upper and Lower Class Limits of the Frequency Table Finding the Class Boundaries of the Frequency Table Finding the Class Width of the Frequency Table Finding the Midpoints of the Frequency Table Finding the Mean of the Frequency Table Finding the Variance of the Frequency Table Finding the Standard Deviation of the Frequency Table Finding the Relative Frequency of the Frequency Table Finding the Median Class Interval of the Frequency Table Finding the Modal Class of the Frequency Table Creating a Grouped Frequency Distribution Table Finding the Data Range

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