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Calculation of the mean of the column. Also called average or arithmetic mean. It is the sum of all the data point divided by the number of data points in the collection.
95% confidence interval for Mean
To get the Confidence interval click on the graph of the data-set and it will be visible in the graph pop-up.
n = n
The Mean of the data-set A is 1, this is visible in row Mean
of the result array.