The following table provides age-specific male and female population of a country. a) Draw the population pyramid (using percentage), b) Specify whether the population is growing, constant or declining. 45-59 60-74 75-89 Age group Male (in 1000) Female (in 1000) 0-14 15-29 30-44 90+ 4698 3823 3376 3025 2476 1850 520 4578 3810 3356 3130 2597 1890 630

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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.