| Example 19-8. If p, q, r and s be the successive entries corresponding to equidistant arguments in a difference table, show that when third difference are taken into account, the entry corresponding to the argument halfway between the arguments of q and r is A + where A is the arithmetic mean of q and r and B is the arithmetic mean of 39 – 2p – s and 3r – 2s - p. 1

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A: Graphical representation is the visual representation of the numerical dataset.