In general, grouped frequency distributions should have between 5 and 15 class intervals.
举一反三
- True or False: In general, grouped frequency distributions should have between 5 and 15 class intervals.
- The number of class intervals in a frequency distribution is usually between ___________.
- The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
- Which of the following best describes a frequency distribution A frequency distribution is a grouping of:（） A: data into intervals (classes) so that the number of observations in each of the non - overlapping intervals (classes) can be seen and tallied. B: selected data into intervals (classes) so that the number of observations in each of the non - overlapping intervals (classes) can be seen and tallied. C: dependent intervals (classes) so that they can be seen and tallied.
- 中国大学MOOC: ________is used to express the relation between a class and one or more detailed classes, i.e., the relation between “general” and “special”.