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Frank Wang – Numeracy, 2021
In late November 2020, there was a flurry of media coverage of two companies' claims of 95% efficacy rates of newly developed COVID-19 vaccines, but information about the confidence interval was not reported. This paper presents a way of teaching the concept of hypothesis testing and the construction of confidence intervals using numbers announced…
Descriptors: COVID-19, Pandemics, Immunization Programs, Hypothesis Testing