Three apprentice tailors (x, y, and z) are assigned the task of measuring the seam of a pair of trousers. each one makes three measurements. the results in inches are x (31.5, 31.6, 31.4); y (32.8, 32.3, 32.7); z (31.9, 32.2, 32.1).the true length is 32.0 in. comment on the precision and the accuracy of each tailor's measurements.

Explanation:

Average of reading of X = 31.5

Average of reading of Y = 32.6

Average of reading of Z = 32.06

True measurement is 32.0 so Z's is closest to the true value so Z is most accurate and Y is least accurate.

Since all of them have reading instrument which can read upto 0.1 so the precision of their measuring instrument is equal . Actually their measuring instrument appears to be same.so precision of their measurement is same.

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