- A10-20
- B20-30
- C30-40
- D40-50
Step-by-Step Solution
cf is unchanged from 30 to 40 (15 to 15), so frequency(30-40) = 0; no student scored in that class.
Answer: C) 30-40
The marks of 30 students are given. A less-than ogive is plotted with points (10,2),(20,8),(30,15),(40,15),(50,24),(60,30).
In which 10-mark class did NO student score?
Class 10Cumulative Frequency and OgiveStatistics and Probability
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