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To Find Average Deviation

1. Find the average value of your measurements.

2. Find the difference between your first value and the average value. This is called the deviation.

3. Take the absolute value of this deviation.

4. Repeat steps 2 and 3 for your other values.

5. Find the average of the deviations. This is the average deviation

The average deviation is an estimate of how far off the actual values are from the average value, assuming that your measuring device is accurate. You can use this as the estimated error. Sometimes it is given as a number (numerical form) or as a percentage.

To Find Percent Error

1. Divide the average deviation by the average value.

2. Multiply this value by 100.

3. Add the % symbol.

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Q: How do you find the average deviation from mean?

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The average deviation is always 0.

The mean is the average value and the standard deviation is the variation from the mean value.

There is no single function in Excel.You calculate the mean (average).For each observation, you calculate its deviation from the mean.Convert the deviation to absolute deviation.Calculate the mean (average) of these absolute deviations.

the relative measures of the mean deviation to the average about which it is calculated,i.e. arithmetic mean.

There is no such thing. Maybe your professor meant , Standard Deviation, The Mean. (2 different things.)

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to find percent deviation you divide the average deviation into the mean then multiply by 100% . to get the average deviation you must subtract the mean from a measured value.

The mean average deviation is the same as the mean deviation (or the average deviation) and they are, by definition, 0.

Information is not sufficient to find mean deviation and standard deviation.

The mean is the average

No. The average of the deviations, or mean deviation, will always be zero. The standard deviation is the average squared deviation which is usually non-zero.

The average deviation is always 0.

The average deviation from the mean, for any set of numbers, is always zero.The average deviation from the mean, for any set of numbers, is always zero.The average deviation from the mean, for any set of numbers, is always zero.The average deviation from the mean, for any set of numbers, is always zero.

You don't need to. Average deviation (about the mean) is always zero!

mean

The mean is the average value and the standard deviation is the variation from the mean value.

There is no single function in Excel.You calculate the mean (average).For each observation, you calculate its deviation from the mean.Convert the deviation to absolute deviation.Calculate the mean (average) of these absolute deviations.

the relative measures of the mean deviation to the average about which it is calculated,i.e. arithmetic mean.

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