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Using Margin of Error to calculate sample size

Using Margin of Error to calculate sample size pMargin of Error :pUnderstand what a Margin of Error is. pUnderstand what factors contribute to the size of the Margin of why the Margin of Error is important when designing an how to calculate a sample size based on a given Margin of Targets: Margin of ErrorpThe Margin of Error is the name given for the plus and minus part in the confidence interval. pThe 95% confidence interval for the population mean is [ sample mean / n]qThe Margin of Error is / example, if the 95% confidence interval for the mean rent of an apartment in Dallas is [980 ]the Margin of Error for the mean rent the Margin of Error pWe are given the 95% confidence interval for the mean to be [10,20].

Discussion p The point estimates (based on the sample) for the Johnson and Johnson is better than Novavax, but the confidence intervals different story. p The confidence intervals explain there the population efficacy lies. p As all the confidence intervals overlap it is impossible to distinguish between the three vaccines. p Notice that the confidence interval for the Novavaxvaccines is far

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