A major investigation of the safety of anesthetics used in surgery looked at over 850,000 operations performed at 34 hospitals across the USA. The following are the death rates for 4 anesthetics: Brand A – 1.7% Brand B – 1.7% Brand C – 3.4% Brand D – 1.9% This situation is an example of Group of answer choices a census an observational study an experiment a systematic sample
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.
A major investigation of the safety of anesthetics used in surgery looked at over 850,000 operations performed at 34 hospitals across the USA. The following are the death rates for 4 anesthetics:
Brand A – 1.7% Brand B – 1.7% Brand C – 3.4% Brand D – 1.9%
This situation is an example of
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