1. Mean is defined as the sum of the observations divided by the total number of observations. It is also known as average. This is one of the measures of central tendency. Mean may or may not appear in the dataset.
Median is known as middle value when the dataset sorted in ascending order. It divides the dataset into two equal parts. This is one of the measures of central tendency. Median appears when the dataset is odd numbered set. Median will not appear when the dataset is even numbered set.
Mode is the most repeated value. This is one of...