Statistical Analysis in Mechanical Engineering Laboratory
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Questions and Answers

Randomness in measurements can be caused by uncontrolled variables or lack of precision in the measurement process.

True

Statistical tools are often needed to identify and generalize the characteristics of test data.

True

Random error in measurements can be reduced by calibration.

False

Systematic error in measurements can be reduced by statistical analysis.

<p>False</p> Signup and view all the answers

The random nature of experimental data can make it difficult to distinguish the sought-after trend.

<p>True</p> Signup and view all the answers

True or false: Randomness in measurements can only be caused by uncontrolled variables affecting the measurands?

<p>False</p> Signup and view all the answers

True or false: Randomness in measurements can only be caused by lack of precision in the measurement process?

<p>False</p> Signup and view all the answers

True or false: Statistical tools are not needed to identify and generalize the characteristics of test data?

<p>False</p> Signup and view all the answers

True or false: Systematic error in measurements can be reduced by calibration?

<p>True</p> Signup and view all the answers

True or false: Random error in measurements can be reduced by statistical analysis?

<p>False</p> Signup and view all the answers

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