Example of descriptive statistics : Given test scores of students in Maths class, we use sample mean , sample median etc as descriptive statistic in order to describe the data.
Inferential statistics : For understanding public opinion about the upcoming Presidential election, we conduct an opinion poll of a sample of people from across the country and observe the proportion of people who are in favor of voting for President Trump. Then we want to use this sample data in order to infer the overall behavior of entire US population for the upcoming elections.
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