13.1 Significance of Statistics

The scientific study of all physical phenomena began through dynamical principle which is evident from the writing of a Dutch scientist Christian Huygens “In true philosophy we should conceive the cause of all natural phenomena in terms of mechanics”. This notion was so deep rooted in the beginning of scientific study that he wrote “We must do or for ever renounce the hope of understanding anything of physics.”

In kinetic theory of gases while finding the pressure and temperature of a gas enclosed in a vessel by general approach, we refer to the macroscopic or bulk state of the gas. Each individual molecule of the gas belongs to the microscopic state whose individual information is difficult to attain. So to study ...

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