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Clearly the outlier is 83,
so add up the rest , then divide by 6
so add up the rest , then divide by 6
In this case, the outlier is the number 83. So, if we remove that outlier, our new data set becomes: 21, 23, 19, 25, 23, 21.
To find the mean of this new data set, we sum up all the numbers: 21 + 23 + 19 + 25 + 23 + 21 = 132.
Next, we need to count the total number of values in the data set, which is 6.
Now, we can find the mean by dividing the sum by the total number of values: 132 / 6 = 22.
Therefore, if the outlier is removed, the mean of the data set becomes 22.