2017年8月15日 · The smaller your percent error, the better your results are. Usually ± 5% is acceptable in class. If it is higher, you might need to go back through your experiment to see what systematic or random errors were present.

2014年3月21日 · As a scientist and statistician I would have to say that there is no upper limit on a “percent error”. There is only the necessary (human) judgment on whether the data is refers to can be useful or not.

Accuracy is the quality that a measurement has if it is close to some other quantity’s true value. Precision shows how much a repeated measurement will change its value. For example, if several darts were thrown at a dart board, and all hit the same spot far away from the bull’s-eye, we could say the throws were precise, but inaccurate. If the darts were thrown again, very close to the ...

2014年10月1日 · It means that the experimental mass is greater than the accepted mass. However, mass cannot be negative. Refer to the explanation. It means that the experimental mass is greater than the accepted mass. However, mass is always positive. If you are calculating percent error, the difference between the experimental value and the accepted value is an …

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2017年10月1日 · Here's how you can do that. The first thing that you need to do here is to use the molar masses of magnesium oxide, magnesium, and elemental oxygen to calculate the theoretical percent composition of the oxide.

2017年1月18日 · Here is my understanding of the difference. > The accepted value is a number or value that scientists and the public regard as true.

2016年9月29日 · (|"experimental value - accepted value|") /"accepted value" xx 100 % Percent error is the absolute value of the difference between your experimental result and the ...

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2014年5月2日 · Percent error = | "theoretical - experimental"/"theoretical"|" x 100 In this example, the theoretical is 55.0 Celsius and the measured is the experimental which is 64 ...