Bias In Graphs

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Detecting Bias in Graphs 1. What trends and patterns can you see in the information presented? Draw graphs where possible. Graph 1- Shows the gradual decrease in the number of deaths caused by smallpox in England. Graph 2- Shows the drastic increase in the number of deaths caused by Pertussis when the vaccinations were suspended in Japan. Graph 3- Shows the number of deaths caused by measles decreasing gradually overtime due to people having vaccinations and becoming immune to the disease. 2. What inferences can you make to explain the information presented? It is inferred in all three graphs that mass vaccination has decreased the number of deaths caused by diseases over many years. The graph displaying the rate of deaths caused by smallpox

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