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...### Two one dimensional arrays XjArray and YjArray containing the X ### and Y vectors. ### ### XjArray = [0 0.9 1.8 2.6 3.3 4.4 5.2 6.1 6.5 7.4] ### YjArray = [5.9 5.4 4.4 4.6 3.5 3.7 2.8 2.8 2.4 1.5] ### ### Output: ### ### A list with the following: ### ### sumXjYj As Double ### sumXj As Double, sumYj As Double ### sumXjSquared As Double, sumYjSquared As Double ### n As Long ### varXj, varYj ### output(7) ### ### ============================================================ sumXjYj <- 0 sumXj <- 0 sumYj <- 0 n <- 0 n <- length(XjArray) sumXjSquared <- 0 sumYjSqua...