How the data was generated 

> `assign`(rn, `+`(`*`(`/`(1, 60000000), `*`(rand(10000000))))); -1
 

> `assign`(X, `<,>`(seq(`+`(.1, `*`(0.1e-1, `*`(i))), i = 1 .. 200))); -1
 

> `assign`(Y, `<,>`(seq(`+`(`*`(5, `*`(exp(`+`(`-`(`*`(.6, `*`(X[i]))))))), rn()), i = 1 .. 200))); -1
 

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