Data is collected from a width measurement on a part. A sample of 12 measurement are taken with the following results in millimeters: 7.07 7.00 7.10 6.97 7.00 7.03 7.01 7.01 6.98 7.08 7.05 7.02 Presuming the distribution is normal, what is the width measurement in millimeters exceeded by 90 percent of the population? Note: Find the mean and standard deviation to 4 figures after the decimal point.

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