Assertion (A): Consider the following frequency distribution: The modal class is 10 – 15. Reason (R): The class having maximum frequency is called the modal class.

Consider the following frequency distribution of the heights (in cm) of 60 students of a class: Find the sum of the lower limit of the modal class and the upper limit of the median class.

TextModal Class in Grouped Frequency DistributionMedian Class in Grouped Frequency Distribution

Overweight and obesity may increase the risk of many health problems, including diabetes, heart disease, and certain cancers. The basic reason behind is the laziness, eating more junk foods and less physical exercise. The school management give instruction to the school to collect the weight data of each student. During medical check of 35 students from Class X- A, there weight was recorded as follows:

CASE_STUDIESMean of Grouped Data Using Direct MethodModal Class in Grouped Frequency DistributionFormula for Median of Grouped Data