2016 · Q95
Suppose the class interval 10-15 has frequency 30, then what is the frequency density of this class interval ?
Elementary MathematicsStatistics
- A2
- B3
- C5
- D6
Explanation
Frequency density is frequency divided by class width. Here the width of the class 10–15 is 5 and its frequency is 30, giving 30/5 = 6. Hence option D.