Basic Electricity and Electronics for Control: Fundamentals and Applications, 3rd Edition

By Lawrence M. Thompson

CHAPTER 3

For the following measurements, find the mean, deviation, and average deviation.

Name one method you can use to consistently reduce random error in measurements.

Given the following table of values, calculate the standard deviation.

Answers

For the listed measurements, find the mean, deviation, and average deviation.

Measurement #	Value	Mean	Deviation
1	10.13	10.039	0.091
2	9.97	10.039	0.091
3	9.99	10.039	0.069
4	10.02	10.039	0.049
5	10.08	10.039	0.041
6	10.16	10.039	0.041
7	9.86	10.039	0.121
8	9.88	10.039	0.179
9	10.12	10.039	0.081
10	10.18	10.039	0.141
The average deviation is: 0.0904

Name one method you can use to consistently reduce random error in measurements?

Ensure a large number of measurement points.

Given the following table...

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Basic Electricity and Electronics for Control: Fundamentals and Applications, 3rd Edition