Which of the following statements about statistical concepts is FALSE（）
A: A frequency distribution is a tabular display of data summarized into a relatively small number of intervals.
B: An interval is a set of return values within which an observation falls.
C: A sample contains all members of a specified group, but a population contains only a subset.
A: A frequency distribution is a tabular display of data summarized into a relatively small number of intervals.
B: An interval is a set of return values within which an observation falls.
C: A sample contains all members of a specified group, but a population contains only a subset.
举一反三
- Which of the following statements about statistical concepts is FALSE（） A: A frequency is a tabular display of data summarized into a relatively small number of intervals. B: B. An interval is a set of return values within which an observation not falls. C: C. A parameter is an descriptive measure of a population characteristic.
- 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.
- True or False: The larger the number of observations in a numerical data set, the larger the number of class intervals needed for a grouped frequency distribution.
- A relative frequency distribution describes the proportion of data values that fall within each category.
- Which of the following statements about tea is false?