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.
Need helped on this trigonometric derivatives
To calculate the derivative of the trigonometric function y=tan-1(lnx). To solve the problem, use the substitution method of differentiation.
Consider the provided function y=tan-1(lnx) and let us consider the u=lnx. Apply Chain rule of the differentiation.
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