#2 - Niku
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.
#2 - Niku
Given,
The Caesar cipher method to encrypts message by changing each letter of the alphabet to the one three places farther along.
That is, the letter X is encoded by A, Y by B and Z by C.
Now, to encode the name ''NIKU'' by the Caesar cipher method.
We need to shift each letter by the its Caesar encode letter.
For that use the table,
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