Is my difference significant?

Written by Carlos Ochoa el 03 de March 2015

In a previous post we tried to explain how I should choose the sample size in order to ensure that the obtained result is within a controlled margin of error. Today we are going to deal with a related topic: when I observe a difference in a result obtained through a survey, how can I determine if that difference is statistically significant?

Category: sample | Sample | sample difference

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