30 ques
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/draw-less-than-ogive-and-more-than-o/statistics/9508495
Regards
https://www.meritnation.com/ask-answer/question/draw-less-than-ogive-and-more-than-o/statistics/9508495
Regards