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When conducting an experiment, which of the following is generally true?
A.
It is unsafe to perform a large number of experimental trials.
B.
Performing a larger number of experimental trials makes the results more dependable.
C.
The number of trials performed does not affect the validity of the results.
D.
Performing a smaller number of experimental trials makes the results more dependable.

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Answer:

B. Performing a larger number of experimental trials makes the results more dependable.

Explanation:

Every measurement has an element of uncertainty.

If the uncertainties are random, the more measurements you make, the “errors” in the positive direction should cancel those in the opposite direction.

The average of these results should be closer to the actual value and therefore more reliable.

Performing more experimental trials has no effect on safety.

Answer:

performing a larger number of experimental trials makes the results more dependable

Explanation:

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