Delete the 5 from the data numbers given for Example 1 and then do the following with

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Delete the 5 from the data numbers given for Example 1 and then do the following with the resulting data.

Find the mean using the definition, as in Example 3.


Data from Example 3

The mean of the numbers given in Example 1 is determined by finding the sum of all the numbers and dividing by 15. Therefore, by letting x̄(read as “x bar”) represent the mean, we have


Thus, the mean is 5.5. (The mean is usually calculated to one more decimal place than was present in the original data.)

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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