What is the N in statistics?

In statistics, the letter “N” represents the total number of observations or population size. Also, it denotes the sum of frequencies in the frequency distribution. The small letter “n” represents the sample size. The formula to find the value of N is given by:

N = ∑fi


N = Sum of frequencies

fi = Frequency of ith observation

The value of N is often considered while calculating the population mean and other parameters of population.

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