Introduction to index numbers: An index number is a statistical instrument for assessing changes in

Random variables and its probability distributions: A variable that is used to quantify the outcome

Spearman's Rank Correlation Coefficient: While calculating the correlation coefficient or product-moment correlation coefficient, it is

Manipur Board Class 12 Syllabus: The syllabus is an integral part of every student’s life.

Differentiation of Different Types of Functions: We use the concept of derivatives to express the

Correlation Coefficient: Correlation investigates the relationship, or association, between two variables by examining how the

Angle Between a Line and a Plane: The geometry which defines a position of a

Interference of Light and Superposition Principle: One of the most important characteristics of light waves

Huygens Principle: Thinkers and scientists have always been fascinated by light. However, scientists did not

Physical World: The "Physical World" refers to the world we see around us. It is