(b) write a function `mwstatC` in Rcpp which calculates the MW statistic between two numeric vectors `x` and `y`. (Assume that `x` and `y` do not contain missing values).

(b) Benchmark the functions with inputs of different lengths (`n = 10, 100, 1000`), comment on the results.

##### (b) write a function mustatc in Repp which calculates the MW statistic between two numeric vectors and y. (Assume that 'X and 'y do not contain missing values). all.equal(s, mustatC(x, y)) ##### (b) Benchmark the functions with inputs of different lengths ('n = 10, 100, 1000), comment on the results. ##### (b) write a function mustatc in Repp which calculates the MW statistic between two numeric vectors and y. (Assume that 'X and 'y do not contain missing values). all.equal(s, mustatC(x, y)) ##### (b) Benchmark the functions with inputs of different lengths ('n = 10, 100, 1000), comment on the results