Question

Define absolute error, mean absolute
error, relative error and mean percentage
error.
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Answer 1

Answer:

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Explanation:

Absolute Error:-

Measuring the maximum far off point of a measurement from the true value is called absolute measurement.  

(Δx) = xi – x,

Mean Absolute Error:-

The average of all absolute errors is called mean absolute error .

Relative Error:-

Relative measurement measures the difference between the absolute error and the size of the object being measured.  

RA  = AR / known value

Mean Absolute Percentage Error:-

The statistical measurement of the forecast system is called the mean percentage error.  

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