mean median mode range definitions
Mean: It can be defined as the sum total of all the observations divided by the number of observations. ( Note :- the observations have to be quantitative and not qualitative) Median: If the data is arranged in the increasing or decreasing order then the middlemost value of the data is known as the median. Mode: If the data is given a glance then also we can get to know one very important property of it that is which observation has appeared the maximum number of times.