0
Because then you can assess how valid your results are =D
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
How do you overcome or reduce the problem of random error and systematic error while doing an experiment?
how to reduce the problem of random error and systematic error while doing an experiment
Can you calculate percent error of the results from an experiment?
(experimental value - accepted value)/accepted value x 100 This is an absolute value, so ignore any minus sign.
How do you calculate percentage error for density of pennies?
Percent error refers to the percentage difference between a measured value and an accepted value. To calculate the percentage error for density of pennies, the formula is given as: percent error = [(measured value - accepted value) / accepted value] x 100.
Write the equation used to calculate percent error?
Percentage error = Value experimental-Value acceptedValueaccepted x 100
What is the ideal percentage error?
If you got the exact correct answer, the percent error would be 0%. However, this is rare and if you are doing a lab and present this as your percent error, your professor will know that you fudged the numbers
How much percent does it take so you know the experiment works?
You have to calculate the amount of error that can be expected in your experiment, and if the results exceed the experimental error, they can be considered to be meaningful. We would really have to discuss a specific experiment to see how this principle works.
How do you overcome or reduce the problem of random error and systematic error while doing an experiment?
how to reduce the problem of random error and systematic error while doing an experiment
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
What term is associated with the reproducibility of an experiment?
percent error :)
How do you know if your measurements are accurate?
If it is within a certain percent error decided by whoever your doing the experiment for. As a standard I would pick 5 percent but it regards to medication it needs to be around 0.02 percent.
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.
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
How do you overcome or reduce the problem of random error and systematic error while doing an experiment-?
You can overcome or reduce the problem of random error and systematic error while doing an experiment by increasing the sample size, which means averaging over a huge number of observations.
Can you calculate percent error of the results from an experiment?
(experimental value - accepted value)/accepted value x 100 This is an absolute value, so ignore any minus sign.
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
What is a percent error?
It is a measure measurement of the amount of error made in an experiment. It is obtained by comparing the actual result, with the result gotten from the experiment. % error = [(experimental value - true value) / true value] x 100
