Which of the following statements regarding grouped frequency distributions is not true?
A)All class intervals must be the same width.
B)Class intervals should not overlap.
C)There should be no more than seven class intervals.
D)Each score may fall in only one class interval.

Question

Quizplus · Accepted Answer

The statement that there should be no more than seven class intervals is not true. While it's recommended to keep the number of class intervals manageable (usually between 5 to 20), there is no strict rule that limits it to no more than seven. The optimal number of class intervals can vary depending on the data set and the purpose of the analysis.

Which of the Following Statements Regarding Grouped Frequency Distributions Is