## Average and Types of Averages

Average: “A single value which can represent the whole set of data is called an average”. If the average... Click here to read more

From basic to higher mathematics

Average: “A single value which can represent the whole set of data is called an average”. If the average... Click here to read more

It is the most commonly used average or measure of the central tendency applicable only in case of quantitative data.... Click here to read more

Example (4): The following data shows distance covered by persons to perform their routine jobs. Distance (Km) Number of Persons... Click here to read more

In calculation of arithmetic mean, the importance of all the items was considered to be equal. However, there may be... Click here to read more

Merits: It is rigidly defined. It is easy to calculate and simple to follow. It is based on all the... Click here to read more

It is another measure of central tendency based on mathematical footing like arithmetic mean. Geometric mean can be defined in... Click here to read more

The main properties of geometric mean are: The geometric mean is less than arithmetic mean, The product of the items... Click here to read more

Merits: It is rigidly defined and its value is a precise figure. It is based on all observations. It is... Click here to read more

Harmonic mean is another measure of central tendency and also based on mathematic footing like arithmetic mean and geometric mean.... Click here to read more

Merits: It is based on all observations. It not much affected by the fluctuation of sampling. It is capable of... Click here to read more

Mode is the value which occurs the greatest number of times in the data. When each value occur the same... Click here to read more

Advantages: It is easy to understand and simple to calculate. It is not affected by extreme large or small values.... Click here to read more

Graphic Location of Mode: Mode being a positional average so it can be located graphically by the following process. A... Click here to read more

Median is the most middle value in the arrayed data. It means that when the data are arranged, median is... Click here to read more

Median and other partition values can be located from the graph of the cumulative frequency polygon (Ogive Polygon). Suppose we... Click here to read more

There are three quartiles called, first quartile, second quartile and third quartile. There quartiles divides the set of observations into... Click here to read more

Deciles: The deciles are the partition values which divides the set of observations into tem equal parts. There are nine... Click here to read more