The number of named Atlantic storms for 9 consecutive years is: 7, 8, 14, 11, 12, 7, 6, 11, 13., We represent these as a vector x in R by making the assignment: x <- c(7, 8, 14, 11, 12, 7, 6, 11, 13) Define the variable w using the assignment w <- 2*x Define y by the assignment y <- cumsum(x) Define z with the assignment z <- c(x,Y,w) x, y, w and z are vectors. Answer the following using R code. a) What is the minimum value in the z vector? b) Calculate the sample mean of x. c) Calculate the sum of the squares of the elements in z.

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