3. An investigator wants to test if there is a difference in endotoxin levels in children who are exposed to endotoxin as a function of their proximity to operating farms. The following are endotoxin levels in units per milligram of dust sampled from children's mattresses, organized by children's proximity to farms. Within 5 Miles 5-24.9 Miles 25-49.9 Miles 50 Miles or More 54 62 78 90 70 28 42 39 81 65 37 29 30 50 53 36 19 22 28 27 Total Sample (Ordered Smallest to Largest) <5 5-24.9 25-49.9 50+ 5 Miles Miles Miles iles Miles Miles 5-24.9 25-49.9 50+ Miles Miles 27 23 4 3022 27 290 그。 300 20 1) 3チ(9) 53

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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.