Linda is taking an intelligence test. during the test, the teachers walk through the halls and chat loudly with each other. due to these distractions, linda scores lower on the test than she would have if she had been able to concentrate fully. the in-fluence of the teachers’ chatting is an example of

Measurement error

Explanation:

Measurement error is called an observational error. it is the difference between the quantity and its true value. It includes

Random error:

It is a natural occurring error that is expected to be an experimenter.

Random error is expected but even all sample is a random error.    

Systematic error:

It occurs due to the use of false instruments that affects all the measurement.  

For example, if you are measuring the weight of athletes and the instrument you are using show 1 pound less weight it will show for all athletes one pound less wight called systematic error.  

The error gets grown when you use that procedure in data measurement.

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