For some methods, but not all, the degree of exactness is one less than the order of accuracy. Is that the case for the midpoint rul

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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For some methods, but not all, the degree of exactness is one less than the order of accuracy. Is that the case for the midpoint rule?

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Here, in the question, it is being conveyed that the degree of exactness is one less than the order of accuracy. The midpoint rule is a method for approximating integration that only considers the value of the function at its halfway. It is precise to second order. Use a single interval (i.e., N = 2) and estimate the integrals of the test functions over [0,1] to investigate the degree of precision of the midpoint technique. Each time, the exact answer is 1.

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