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33 and 13 percent error (%)

Use this calculator when comparing a experimental value to a theoretical value. We think you reached us looking for answers to questions like:

1) What is the percent error supposing 13 as the measured value and 33 as the calculated value? 2) What is the absolute error between 33 and 13 supposing 33 as the theoretical value? Or may be: 33 and 13 percent error (%)

See the solutions to these problems just after the Percent Error Calculator below.

Percent Error Calculator

What is the percent error supposing that:

Theoretical value = and

Experimental value = ?

Answer: %

How to calculate Percent Error - Step by Step Solution

The Percent Error Calculator uses this formula:

 % Error = ( Experimental - Theoretical ) Ã— 100 |Experimental|

The terms "Experimental" and "Theoretical" used in the equation above are commonly replaced with similar terms. Some terms also used for experimental are "measured," "calculated," or "actual" and for theoretical the terms "accepted" and "calculated" are frequently used.

The Percent Error can be a positive or a negative number. If the experimental value is greater than the theoretical value, the result will be positive. On the other hand, if the experimental value is smaller than the theoretical value, the result will be negative. See more about percent error here.

Here are the solutions to the questions stated above:

1) What is the percent error supposing 13 as the measured value and 33 as the calculated value?

Use the above formula to find the percent error. So, replacing the given values, we have

Percent error = [(13 - 33) / 33] x 100
= (-20 / 33) x 100
= -60.606060606061 % (negative error)

In this case we have a % of negative error because the experimental is smaller than the theoretical.

2) What is the absolute error between 33 and 13 considering 33 as the theoretical value?

This problem is not about percent or relative error, but about absolute error. The solution is very simple:

Absolute error, or error = Experimental - Theoretical = 13 - 33 = -20 (negative error)

Percent Error Calculator

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