Find the standard deviation for the indicated sets of numbers. A calculator may be used. The X-ray

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Find the standard deviation for the indicated sets of numbers. A calculator may be used.

The X-ray dosages in Exercise 25


Data from Exercises 25

The dosage (in mR) given by a particular X-ray machine was measured 20 times, with the following readings:


Using the class limits 3.80, 3.90, 4.00, . . . , 4.60, construct a frequency histogram of these data.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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