Theoretical distribution: Frequency, cumulative frequency, and Ogive: –

Concept: The statistical division is one of the most important aspects and methods of statistics. After…

Identification of Rock in hand specimen

Introduction In nature, we generally see the earth crest which is made up of rocks. Unconsolidated…

Adventurous sea expedition of Ferdinand Magellan | ফার্দিনান্দ ম্যাগেলানের দুঃসাহসিক সমুদ্র অভিযান

Introduction Ferdinand Magellan was one of the most adventurous seafarers in Portugal. He had the distinction…

Discovery of the sea route to India by Vasco da Gama | ভাস্কো দা গামার ভারতে সমুদ্রপথের আবিষ্কার

Introduction When the Spaniards invaded the West, the Portuguese were looking for a way to India…

Rocks and Minerals – Identification of minerals

Introduction:  The mineral is an inorganic homogeneous natural substance usually crystalline with a definite chemical composition.…

Rocks and Minerals – Definition and Identification

Identifying properties of rocks and minerals in hand specimen There are two types of minerals &…

What is tabulation in statistics?

What is tabulation?  Tabulation is the process of the formation of statistical tables. The table structure…

Research and its different types with significance

What is Research?  Research is the systematic, scientific, well-coordinated process of searching for answers to specific…

Source of geographical data for statistical analysis

What is data collection? Data collection is the process of receiving and measuring information on different…

Different types of data in statistics

Introduction “Data”, word has been derived from the Latin word ‘Datum’ that means a piece of…