Category Archives: Class Notes

The stars on the celestial sphere are like places on the globe.These Places can be located on the globe using latitude and longitude. Longitude says how far the place is east or west along the Earth’s equator; latitude says how far a … Continue reading →

Sampling is the selection of a part of statistical population to estimate characteristics of the whole population. Each sampling observation measures one or more properties of observable bodies distinguished as independent objects or individuals. In survey , weights can be … Continue reading →

 We live in a changing world. Changes are taking place in every sphere of life. A man of statistics does not show much interest in those things which are constant. The total area of the earth may not be very … Continue reading →

Centrography is  the tecnique/s of trends and laws of the distribution of phenomena based on the relationships with and around and migrations of their centers of gravity . Measures of center are geographical techniques for locating the position of a … Continue reading →