Answer:Calculating the percentage error is a lot less complicated than calculating standard deviation. You only need to complete several quick steps. All of this is summed up with the formula: Percentage Error = ((Estimated Number – Actual Number)/ Actual number) x 100.We can simply solve this mathematical problem using the following process: Let us assume that the student erroneously multiplied the number "x" by 2/5 instead of 5/2. Hence, the percentage error in the calculation is equal to 84%.
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