The range of the data is given as- 18-117. The basic difference between grouped data and ungrouped data is that in the case of latter the data is unorganized and is in random form. This type of data is also known as raw data whereas in the case of grouped data it is organized in the form of groups or which has been categorized in terms of the frequency distributionThese groups are known as class intervals.
FINDING MEDIAN FOR UNGROUPED DATA Median is the value which occupies the middle position when all the observations are arranged in an ascending or descending order.
Mean Deviation for Ungrouped Data. For grouped data Mode l f 1 f 0 2 f 1 f 0 f 2 h mathitl left fracf_1-f_02f_1-f_0-f_2 right times h l 2 f 1 f 0 f 2 f 1 f 0 h. Finding weighted mean by hand or using the TI calculator Progress. This indicates how strong in your memory this concept is.