5. Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is : 5. Let m be the mid-point and l be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is : July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related