A relative frequency distribution describes the proportion of data values that fall within each category.
举一反三
- The original data values cannot be determined once they are grouped into a frequency distribution table.
- A cumulative frequency distribution lists the number of observations that are within or below each of the classes.
- True or False: The original data values cannot be determined once they are grouped into a frequency distribution table.
- 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.
- For<br/>a bar chart, we take _____ as the horizontal axis. () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable