You use a stopwatch to take repeated measurements of the time it takes a ball, from rest, to roll a fixed distance down a slope. As your best estimate of the time the ball actually takes to roll this distance you should:

Question

You use a stopwatch to take repeated measurements of the time it takes a ball, from rest, to roll a fixed distance down a slope.  As your best estimate of the time the ball actually takes to roll this distance you should:

Accepted Answer

Add the measurements  and divide by the number of measurements.

Answer

Take the middle value.

Answer

Take the value that occurs most frequently.

Answer

Add the measurements  and divide by one less than the number of measurements.

Answer

Add the measurements and divide by the square root of the number of measurements.

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You use a stopwatch to take repeated measurements of the time it takes a ball, f...

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