Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
what is the calcutation of pi
Pi() is a mathematical constant.
It is defined as the ratio of the circumference of the circle to its diameter.
We can only approximate its value as its value is unending.
Let's calculate :
When we know the Circumference(C) of a circle = ,
We can quickly determine the value of Pi() by :
where d is the diameter.
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