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(experimental value - accepted value)/accepted value x 100

This is an absolute value, so ignore any minus sign.

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12y ago

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Related Questions

Why calculate percent error after doing an experiment?

Because then you can assess how valid your results are =D


How well the results of an experiment agree with the accepted value's.?

cell


How much percent does it take so you know the experiment works?

Typically, if an experiment produces results that are statistically significant with a confidence level of at least 95%, it is considered to have worked. This means there is a 5% chance that the results are due to random chance rather than a true effect.


What term is associated with the reproducibility of an experiment?

percent error :)


Why do you need to calculate standard deviation and relative error?

to ensure your experiment is precise and to prevent error to happen during experiment


How can one calculate percent error with multiple trials?

To calculate percent error with multiple trials, find the average of the trials, then calculate the percent difference between the average and the accepted value. Divide this difference by the accepted value and multiply by 100 to get the percent error.


Can the answer of a percent error problem be 300?

Yes, your percent error can be over 100%. This means that somewhere during your experiment you made a big error.


What does a high standard error mean?

It means theres a high amount of variation between the results used to calculate the mean value for a particular sample or experiment


Describe how to find the percent error in a calculation?

Percent error is typically used to describe the difference between an expected value and an observed value (measured in an experiment). To calculate percent error, you must know the expected (or theoretical) value, determined from reference manuals and formulas. Percent error = [(actual measured value)/(expected value) - 1] x 100% Let's say that you do a chemistry experiment, where you expect to use 30 mL of a hydrochloric acid solution to neutralize a prepared solution of sodium hydroxide. When you perform the experiment, you actually use 30.2 mL of hydrochloric acid solution. Percent error = [(30.2 mL) / (30 mL) - 1] x 100% = 0.667 % error


What is the percent error calculation used to determine?

When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.


What can you ignore when you calculate percent error?

plus and minus signs


When you calculate percent error you ignore what?

plus and minus signs