The average salary of 15 male employees is 550 JD and the average salary of 10 female employees is 420 JD, then the average salary among all these emplyees is O a. 515 JD O b. 510 JD O c. 484 JD O d. 498 JD O e. 485 JD Next page

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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.